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Backpacking (hiking)

Backpacking is the outdoor recreation of carrying gear on one's back while hiking for more than a day. It is often an extended journey[1] and may involve camping outdoors. In North America, tenting is common, where simple shelters and mountain huts, widely found in Europe, are rare. In New Zealand, hiking is called tramping, and tents are used alongside a nationwide network of huts. [2] Hill walking is equivalent in Britain (but this can also refer to a day walk), though backpackers make use of a variety of accommodation, in addition to camping. Backpackers use simple huts in South Africa. [3] Trekking and bushwalking are other words used to describe such multi-day trips.

Backpacking in the Beskid Niski mountains, in the Polish part of the Carpathian Mountains
Backpacking in the Grand Teton National Park, Wyoming
Trekking route 14 in Zerfenti (Ethiopia)

Backpacking as a method of travel is a different activity, which mainly uses public transport during a journey that can last months.

Definition edit

Backpacking is an outdoor recreation where gear is carried in a backpack. This can include food, water, bedding, shelter, clothing, stove, and cooking kit. Given that backpackers must carry their gear, the total weight of their bag and its contents is a primary concern of backpackers. Backpacking trips range from one night to weeks or months, sometimes aided by planned resupply points, drops, or caches.

Research edit

Carrying loads appears to have differentiated humans from other animals.[4]

Fitness benefits edit

A weighted carry from backpacking taxes muscles.[4] A weighted load stresses the shoulders, delts, back, abs, obliques, hips, quads, hamstrings and the knees.[4] Research highlights a weighted carry for exercise helps avoid injuries.[4]

A differential exists between a man running in comparison to a man walking whilst carrying a backpack.[4] A 175-pound man running, without a backpack, loads his knees with 1,400 pounds of stress per stride.[4] Whilst a 175-pound walking man, carrying a 30-pound pack, loads his knees with 555 pounds of stress per step.[4]

Research shows humans can carry weight under 50-pound in a safe manner.[4] Research also shows a weighted carry is as beneficial for the cardiovascular system as a light run.[4]

Accommodations edit

 
The Pocosin cabin along the Appalachian trail in Shenandoah National Park

Backpacking camps are usually more spartan than campsites where gear is transported by car or boat. In areas with heavy backpacker traffic, a hike-in campsite might have a fire ring (where permissible), an outhouse, a wooden bulletin board with a map and information about the trail and area. Many hike-in camps are no more than level patches of ground free of underbrush. In remote wilderness areas hikers must choose their own site. Established camps are rare and the ethos is to "leave no trace" when gone.

In some regions, varying forms of accommodation exist, from simple log lean-to's to staffed facilities offering escalating degrees of service. Beds, meals, and even drinks may be had at Alpine huts scattered among well-traveled European mountains. Backpackers there can walk from hut-to-hut without leaving the mountains, while in places like the Lake District or Yorkshire Dales in England hill-walkers descend to stay in youth hostels, farmhouses or guest houses. Reservations can usually be made in advance and are recommended in the high season.

In the more remote parts of Great Britain, especially Scotland, bothies exist to provide simple (free) accommodation for backpackers. On the French system of long distance trails, Grande Randonnées, backpackers can stay in gîtes d'étapes, which are simple hostels provided for walkers and cyclists. There are some simple shelters and occasional mountain hut also provided in North America, including on the Appalachian Trail. Another example is the High Sierra Camps in the Yosemite National Park. Long-distance backpacking trails with huts also exist in South Africa, including the 100 km plus Amatola Trail, in the Eastern Cape Province.[3] Backpacking is also popular in the Himalayas (often called trekking there), where porters and pack animals are often used.[5]

Equipment edit

Backpacking gear depends on the terrain and climate, and on a hiker's plans for shelter (refuges, huts, gites, camping, etc.). It may include:

  1. A backpack of appropriate size. Backpacks can include frameless, external frame, internal frame, and bodypack styles.
  2. Clothing and footwear appropriate for the conditions.
  3. Food and a means to prepare it (stove, utensils, pot, etc.).
  4. Sleep system such as a sleeping bag and a pad.
  5. Survival gear.
  6. A shelter such as a tent, tarp or bivouac sack.
  7. Water containers and purifiers.

Water edit

 
Military canteen with nested canteen cup and cover

Proper hydration is critical to successful backpacking. Depending on conditions - which include weather, terrain, load, and the hiker's age and fitness - a backpacker may drink 2 to 8 litres (1/2 to 2 gallons), or more, per day. At 1 kilogram (2.2 lb) per 1 litre (1.1 US qt)[6] water is exceptionally heavy. It is impossible to carry more than a few days' supply. Therefore, hikers often drink natural water supplies, sometimes after filtering or purifying.

Some hikers will treat water before drinking to protect against waterborne diseases carried by bacteria and protozoa. The chief treatment methods include:

  • Boiling
  • Treatment with chemicals such as chlorine or iodine
  • Filtering (often used with chemical treatments)
  • Treatment with ultraviolet light

Water may be stored in bottles or collapsible plastic bladders. Hydration bladders are increasingly popular.

Food edit

 
Baking oatcakes on a gas-fueled backpacking stove
 
Cooking in the outdoors using a heated stone

Backpacking is energy intensive. It is essential to bring enough food to maintain both energy and health. The weight of food is an important issue to consider. Consequently, items with high food energy, long shelf life, and low mass and volume deliver the most utility. Taste and satisfaction are issues that are of varying importance to individual hikers, as they consider whether it is worth the effort (and trade-off against other gear) to carry fresh, heavy, or luxury food items. The shorter the trip and easier the conditions the more feasible such treats become.

In many cases, heat, fuel and utensils are used. Small liquid or gas-fueled campstoves and lightweight cooking pots are common. Campfires are sometimes prohibited.

Some backpackers consume dried foods, including many common household foods such as cereal, oatmeal, powdered milk, cheese, crackers, sausage, salami, dried fruit, peanut butter, pasta and rice. Popular snacks include trail mix, easily prepared at home; nuts, energy bars, chocolate, and other energy-dense foods. Coffee, tea, and cocoa are common beverages. Package food in plastic bags while avoiding heavier jars and cans. Dehydrators are popular for drying fruit, jerky, and pre-cooked meals.

Many hikers use freeze-dried precooked entrees for hot meals, quickly reconstituted by adding boiling water. An alternative is Ultra High Temperature (UHT) processed food, which has its moisture retained and merely needs heating with a special, water-activated chemical reaction.


Specialized cookbooks are available on trailside food and the challenges inherent in making it. Some focus on planning meals and preparing ingredients for short trips; others on the challenges of organizing and preparing meals revolving around the bulk rationing prevalent in extended trail hikes, particularly those with pre-planned food drops.

Ultralight-hiking edit

 
A backpacker's modern lightweight dome tent near Mount Anne in a Tasmanian Wilderness area

Some people seek out lighter equipment for long-distance hikes, as it is easier to carry, reduces physical strain, and allows for ease of long distance travel. Ultralight gear has become increasingly more commonly used in past years as it reduces the strain on the hiker. Specialist ultralight gear is widely available, but can be expensive. Materials can include carbon fiber, lightweight alloys, specialty plastics, and impregnated fabrics.

Skills and safety edit

 
A bear-resistant food storage canister
  • Survival skills can provide peace of mind and may make the difference between life and death when the weather, terrain, or environment turns unexpectedly for the worse.
  • Navigation and orienteering are useful to find the trailhead, then find and follow a route to a desired sequence of destinations, and then an exit. In case of disorientation, orienteering skills are important to determine the current location and formulate a route to somewhere more desirable. At their most basic, navigation skills allow one to choose the correct sequence of trails to follow. In situations where a trail or clear line-of-sight to the desired destination is not present, navigation and orienteering allow the backpacker to understand the terrain and wilderness around them and, using their tools and practices, select the appropriate direction to hike. Weather (rain, fog, snow), terrain (hilly, rock faces, dense forest), and hiker experience can all impact and increase the challenges to navigation in the wilderness.
  • First aid: effectively dealing with minor injuries (splinters, punctures, sprains) is considered by many a fundamental backcountry skill. More subtle, but maybe even more important, is recognizing and promptly treating hypothermia, heat stroke, dehydration and hypoxia, as these are rarely encountered in daily life.
  • Leave No Trace is the backpacker's version of the golden rule: To have beautiful and pristine places to enjoy, help make them. At a minimum, do not make them worse.
  • Distress signaling is a skill of last resort.

Related activities edit

Winter backpacking edit

 
A winter bivouac in Germany.

Winter backpacking requires a higher level of skill and generally more specialized gear than in other seasons. Skis or snowshoes may be required to traverse deep snow, or crampons and an ice axe where needed. Winter sleeping bags and tents are essential, as are waterproof, water-repellent, and moisture dissipating materials. Cotton clothing retains moisture and chills the body, both particularly dangerous in cold weather. Winter backpackers stick to wool or synthetic fabric like nylon or polypropylene, which hold less moisture and often have specialized wicking properties to dissipate sweat generated during aerobic activities. Layering is essential, as wet clothes quickly sap body heat and can lead to frostbite or hypothermia.

A winter bivouac can also be made in a snow cave. It has thermal properties similar to an igloo and is effective both at providing protection from wind and low temperatures. A properly made snow cave can be 0 °C (32 °F) or warmer inside, even when outside temperatures are −40 °C (−40 °F).[7][8] It is constructed by excavating snow so that its entrance tunnel is below the main space in order to retain warm air. Construction is simplified by building on a steep slope and digging slightly upwards and horizontally into the snow. The roof is domed to prevent dripping on the occupants. Adequate snow depth, free of rocks and ice, is needed — generally 4 to 5 ft (1.2 to 1.5 m) is sufficient. A quinzhee is similar, but constructed by tunneling into mounded snow rather than by digging into a natural snow formation.

Fastpacking edit

Fastpacking is a recreational activity that combines ultralight backpacking with running, and, on steep slopes, hiking. It is a multi-day adventure that usually takes places along long distance trails.[9][10] A sleeping bag is carried and other essential backpacking items, and often a tent or similar shelter, if places to stay are not available.[11][12]

Other edit

 
Expedition cycle touring, Torres del Paine National Park.

See also edit

References edit

  1. ^ "Travel or hike carrying one's belongings in a backpack: [e.g.] a week's backpacking in the Pyrenees, [or] he has backpacked around the world" (New Oxford American Dictionary).
  2. ^ H. W. Orsman, The Dictionary of New Zealand English. Auckland: Oxford University Press, 1999.
  3. ^ a b . Archived from the original on 2014-04-01. Retrieved 2013-12-13.
  4. ^ a b c d e f g h i Easter, Michael (11 May 2021). "How Rucking Can Benefit Your Running Performance". runnersworld.com.
  5. ^ Zurick, Pacheco; J.Shrestha; Bajracharya, B. (2006). Illustrated Atlas of the Himalaya. India Research Press. ISBN 9788183860376.
  6. ^ "Comparisons and Conversions". pp. 2nd paragraph. Retrieved 2009-05-08.
  7. ^ "Quinzee (aka - Snow Cave)". AlphaRubicon.com. Retrieved 2007-01-30.
  8. ^ Gerke, Randy. "When Storms Rage (or how to build a snow cave)". Enviro-Tech International. Retrieved 2007-01-30.
  9. ^ Siber, Kate (2009-08-06). "Fastpacking: What, and Why?". Runner's World. Retrieved 2023-01-02.
  10. ^ Clint Cherepa, "Hike Fast, Sleep Hard: Are You Ready to Try Fastpacking?" 2021-01-23 at the Wayback Machine Outdoors.org, August 27, 2018.
  11. ^ Ad Crable, "Running wild", Lancaster New Era, June 18, 1993.
  12. ^ Kinsella, Patrick (May 5, 2017). "Run, don't walk: mastering the art of fastpacking". Lonely Planet. Retrieved 2023-01-02.

External links edit

  • American Hiking Society Preserves and protects hiking trails and the hiking experience
  • Leave No Trace - The Leave No Trace Center for Outdoor Ethics is an educational, nonprofit organization dedicated to the responsible enjoyment and active stewardship of the outdoors by all people, worldwide.

backpacking, hiking, other, uses, hiking, camping, backpacking, disambiguation, trekking, redirects, here, other, uses, trekking, disambiguation, backpacking, outdoor, recreation, carrying, gear, back, while, hiking, more, than, often, extended, journey, invol. For other uses see Hiking Camping and Backpacking disambiguation Trekking redirects here For other uses see Trekking disambiguation Backpacking is the outdoor recreation of carrying gear on one s back while hiking for more than a day It is often an extended journey 1 and may involve camping outdoors In North America tenting is common where simple shelters and mountain huts widely found in Europe are rare In New Zealand hiking is called tramping and tents are used alongside a nationwide network of huts 2 Hill walking is equivalent in Britain but this can also refer to a day walk though backpackers make use of a variety of accommodation in addition to camping Backpackers use simple huts in South Africa 3 Trekking and bushwalking are other words used to describe such multi day trips Backpacking in the Beskid Niski mountains in the Polish part of the Carpathian Mountains Backpacking in the Grand Teton National Park Wyoming Trekking route 14 in Zerfenti Ethiopia Backpacking as a method of travel is a different activity which mainly uses public transport during a journey that can last months Contents 1 Definition 2 Research 2 1 Fitness benefits 3 Accommodations 4 Equipment 4 1 Water 4 2 Food 5 Ultralight hiking 6 Skills and safety 7 Related activities 7 1 Winter backpacking 7 2 Fastpacking 7 3 Other 8 See also 9 References 10 External linksDefinition editBackpacking is an outdoor recreation where gear is carried in a backpack This can include food water bedding shelter clothing stove and cooking kit Given that backpackers must carry their gear the total weight of their bag and its contents is a primary concern of backpackers Backpacking trips range from one night to weeks or months sometimes aided by planned resupply points drops or caches Research editCarrying loads appears to have differentiated humans from other animals 4 Fitness benefits edit A weighted carry from backpacking taxes muscles 4 A weighted load stresses the shoulders delts back abs obliques hips quads hamstrings and the knees 4 Research highlights a weighted carry for exercise helps avoid injuries 4 A differential exists between a man running in comparison to a man walking whilst carrying a backpack 4 A 175 pound man running without a backpack loads his knees with 1 400 pounds of stress per stride 4 Whilst a 175 pound walking man carrying a 30 pound pack loads his knees with 555 pounds of stress per step 4 Research shows humans can carry weight under 50 pound in a safe manner 4 Research also shows a weighted carry is as beneficial for the cardiovascular system as a light run 4 Accommodations edit nbsp The Pocosin cabin along the Appalachian trail in Shenandoah National Park Backpacking camps are usually more spartan than campsites where gear is transported by car or boat In areas with heavy backpacker traffic a hike in campsite might have a fire ring where permissible an outhouse a wooden bulletin board with a map and information about the trail and area Many hike in camps are no more than level patches of ground free of underbrush In remote wilderness areas hikers must choose their own site Established camps are rare and the ethos is to leave no trace when gone In some regions varying forms of accommodation exist from simple log lean to s to staffed facilities offering escalating degrees of service Beds meals and even drinks may be had at Alpine huts scattered among well traveled European mountains Backpackers there can walk from hut to hut without leaving the mountains while in places like the Lake District or Yorkshire Dales in England hill walkers descend to stay in youth hostels farmhouses or guest houses Reservations can usually be made in advance and are recommended in the high season In the more remote parts of Great Britain especially Scotland bothies exist to provide simple free accommodation for backpackers On the French system of long distance trails Grande Randonnees backpackers can stay in gites d etapes which are simple hostels provided for walkers and cyclists There are some simple shelters and occasional mountain hut also provided in North America including on the Appalachian Trail Another example is the High Sierra Camps in the Yosemite National Park Long distance backpacking trails with huts also exist in South Africa including the 100 km plus Amatola Trail in the Eastern Cape Province 3 Backpacking is also popular in the Himalayas often called trekking there where porters and pack animals are often used 5 Equipment editThis section does not cite any sources Please help improve this section by adding citations to reliable sources Unsourced material may be challenged and removed August 2022 Learn how and when to remove this message Main article Hiking equipment Backpacking gear depends on the terrain and climate and on a hiker s plans for shelter refuges huts gites camping etc It may include A backpack of appropriate size Backpacks can include frameless external frame internal frame and bodypack styles Clothing and footwear appropriate for the conditions Food and a means to prepare it stove utensils pot etc Sleep system such as a sleeping bag and a pad Survival gear A shelter such as a tent tarp or bivouac sack Water containers and purifiers Water edit nbsp Military canteen with nested canteen cup and cover See also wilderness diarrhea portable water purification and solar water disinfection Proper hydration is critical to successful backpacking Depending on conditions which include weather terrain load and the hiker s age and fitness a backpacker may drink 2 to 8 litres 1 2 to 2 gallons or more per day At 1 kilogram 2 2 lb per 1 litre 1 1 US qt 6 water is exceptionally heavy It is impossible to carry more than a few days supply Therefore hikers often drink natural water supplies sometimes after filtering or purifying Some hikers will treat water before drinking to protect against waterborne diseases carried by bacteria and protozoa The chief treatment methods include Boiling Treatment with chemicals such as chlorine or iodine Filtering often used with chemical treatments Treatment with ultraviolet light Water may be stored in bottles or collapsible plastic bladders Hydration bladders are increasingly popular Food edit This section does not cite any sources Please help improve this section by adding citations to reliable sources Unsourced material may be challenged and removed August 2022 Learn how and when to remove this message nbsp Baking oatcakes on a gas fueled backpacking stove Main article Camping food See also Nutrition Outdoor cooking and Survival skills nbsp Cooking in the outdoors using a heated stone Backpacking is energy intensive It is essential to bring enough food to maintain both energy and health The weight of food is an important issue to consider Consequently items with high food energy long shelf life and low mass and volume deliver the most utility Taste and satisfaction are issues that are of varying importance to individual hikers as they consider whether it is worth the effort and trade off against other gear to carry fresh heavy or luxury food items The shorter the trip and easier the conditions the more feasible such treats become In many cases heat fuel and utensils are used Small liquid or gas fueled campstoves and lightweight cooking pots are common Campfires are sometimes prohibited Some backpackers consume dried foods including many common household foods such as cereal oatmeal powdered milk cheese crackers sausage salami dried fruit peanut butter pasta and rice Popular snacks include trail mix easily prepared at home nuts energy bars chocolate and other energy dense foods Coffee tea and cocoa are common beverages Package food in plastic bags while avoiding heavier jars and cans Dehydrators are popular for drying fruit jerky and pre cooked meals Many hikers use freeze dried precooked entrees for hot meals quickly reconstituted by adding boiling water An alternative is Ultra High Temperature UHT processed food which has its moisture retained and merely needs heating with a special water activated chemical reaction Specialized cookbooks are available on trailside food and the challenges inherent in making it Some focus on planning meals and preparing ingredients for short trips others on the challenges of organizing and preparing meals revolving around the bulk rationing prevalent in extended trail hikes particularly those with pre planned food drops Ultralight hiking edit nbsp A backpacker s modern lightweight dome tent near Mount Anne in a Tasmanian Wilderness area This section does not cite any sources Please help improve this section by adding citations to reliable sources Unsourced material may be challenged and removed August 2022 Learn how and when to remove this message Main article Ultralight backpacking Some people seek out lighter equipment for long distance hikes as it is easier to carry reduces physical strain and allows for ease of long distance travel Ultralight gear has become increasingly more commonly used in past years as it reduces the strain on the hiker Specialist ultralight gear is widely available but can be expensive Materials can include carbon fiber lightweight alloys specialty plastics and impregnated fabrics Skills and safety editThis section does not cite any sources Please help improve this section by adding citations to reliable sources Unsourced material may be challenged and removed August 2022 Learn how and when to remove this message nbsp A bear resistant food storage canister Main article Hazards of outdoor recreation Survival skills can provide peace of mind and may make the difference between life and death when the weather terrain or environment turns unexpectedly for the worse Navigation and orienteering are useful to find the trailhead then find and follow a route to a desired sequence of destinations and then an exit In case of disorientation orienteering skills are important to determine the current location and formulate a route to somewhere more desirable At their most basic navigation skills allow one to choose the correct sequence of trails to follow In situations where a trail or clear line of sight to the desired destination is not present navigation and orienteering allow the backpacker to understand the terrain and wilderness around them and using their tools and practices select the appropriate direction to hike Weather rain fog snow terrain hilly rock faces dense forest and hiker experience can all impact and increase the challenges to navigation in the wilderness First aid effectively dealing with minor injuries splinters punctures sprains is considered by many a fundamental backcountry skill More subtle but maybe even more important is recognizing and promptly treating hypothermia heat stroke dehydration and hypoxia as these are rarely encountered in daily life Leave No Trace is the backpacker s version of the golden rule To have beautiful and pristine places to enjoy help make them At a minimum do not make them worse Distress signaling is a skill of last resort Related activities editWinter backpacking edit Further information Ski touring and Snowshoeing nbsp A winter bivouac in Germany Winter backpacking requires a higher level of skill and generally more specialized gear than in other seasons Skis or snowshoes may be required to traverse deep snow or crampons and an ice axe where needed Winter sleeping bags and tents are essential as are waterproof water repellent and moisture dissipating materials Cotton clothing retains moisture and chills the body both particularly dangerous in cold weather Winter backpackers stick to wool or synthetic fabric like nylon or polypropylene which hold less moisture and often have specialized wicking properties to dissipate sweat generated during aerobic activities Layering is essential as wet clothes quickly sap body heat and can lead to frostbite or hypothermia A winter bivouac can also be made in a snow cave It has thermal properties similar to an igloo and is effective both at providing protection from wind and low temperatures A properly made snow cave can be 0 C 32 F or warmer inside even when outside temperatures are 40 C 40 F 7 8 It is constructed by excavating snow so that its entrance tunnel is below the main space in order to retain warm air Construction is simplified by building on a steep slope and digging slightly upwards and horizontally into the snow The roof is domed to prevent dripping on the occupants Adequate snow depth free of rocks and ice is needed generally 4 to 5 ft 1 2 to 1 5 m is sufficient A quinzhee is similar but constructed by tunneling into mounded snow rather than by digging into a natural snow formation Fastpacking edit Further information Fastpacking Fastpacking is a recreational activity that combines ultralight backpacking with running and on steep slopes hiking It is a multi day adventure that usually takes places along long distance trails 9 10 A sleeping bag is carried and other essential backpacking items and often a tent or similar shelter if places to stay are not available 11 12 Other edit nbsp Expedition cycle touring Torres del Paine National Park Canoe and kayak camping Bicycle touring and its lightweight variant bikepacking Trail riding where gear is carried in saddlebags Backpacking travel where public transport is used to visit cultural attractions rather than natural ones though it may also include wilderness side trips Adventure travel tourism in a highly unpredictable or hazardous region or environment Thru hiking traversing a long distance trail in a single continuous journey Ultralight backpacking which minimizes both weight and amount of gear carried typically employed in highly aerobic back country pursuits Wilderness survivalSee also editBackpacking with animals Bivouac shelter Camping Hiking equipment Long distance trail Mountaineering Nordic walking Rambling Ten essentials and Survival kit Trekking poleReferences edit Travel or hike carrying one s belongings in a backpack e g a week s backpacking in the Pyrenees or he has backpacked around the world New Oxford American Dictionary H W Orsman The Dictionary of New Zealand English Auckland Oxford University Press 1999 a b Trail Development Archived from the original on 2014 04 01 Retrieved 2013 12 13 a b c d e f g h i Easter Michael 11 May 2021 How Rucking Can Benefit Your Running Performance runnersworld com Zurick Pacheco J Shrestha Bajracharya B 2006 Illustrated Atlas of the Himalaya India Research Press ISBN 9788183860376 Comparisons and Conversions pp 2nd paragraph Retrieved 2009 05 08 Quinzee aka Snow Cave AlphaRubicon com Retrieved 2007 01 30 Gerke Randy When Storms Rage or how to build a snow cave Enviro Tech International Retrieved 2007 01 30 Siber Kate 2009 08 06 Fastpacking What and Why Runner s World Retrieved 2023 01 02 Clint Cherepa Hike Fast Sleep Hard Are You Ready to Try Fastpacking Archived 2021 01 23 at the Wayback Machine Outdoors org August 27 2018 Ad Crable Running wild Lancaster New Era June 18 1993 Kinsella Patrick May 5 2017 Run don t walk mastering the art of fastpacking Lonely Planet Retrieved 2023 01 02 External links editAmerican Hiking Society Preserves and protects hiking trails and the hiking experience Leave No Trace The Leave No Trace Center for Outdoor Ethics is an educational nonprofit organization dedicated to the responsible enjoyment and active stewardship of the outdoors by all people worldwide Backpacking at Wikipedia s sister projects nbsp Media from Commons nbsp Travel guides from Wikivoyage Retrieved from https en wikipedia org w index php title Backpacking hiking amp oldid 1210087132 Winter backpacking, wikipedia, wiki, book, books, library,

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