Greater Patagonian Trail Section 22: Cochamó

The Greater Patagonian Trail Section 22: Cochamó is a multi-day point-to-point trail in Chile's Los Lagos Region — precise distance and elevation gain are not published in the official route data — rated demanding by experienced GPT hikers for its relentless river crossings, route-finding demands, and boggy terrain through Patagonian temperate rainforest. Part of the International Walking Network (IWN), most parties complete this section in 3–4 days and it stands as one of the most visually dramatic wilderness stages in South America.

About the Greater Patagonian Trail Section 22: Cochamó

The Greater Patagonian Trail (GPT) is South America's most ambitious long-distance route, stretching approximately 3,000 km from the outskirts of Santiago south through Chilean Patagonia. Created by German-Chilean outdoor pioneer Jan Dudeck, the trail divides into roughly 90 numbered sections — each a self-contained wilderness journey through Chile's extraordinary terrain diversity. Section 22 earns its place among the most dramatic: it threads through the Cochamó Valley in the Los Lagos Region, a place of near-mythological standing among hikers, mountaineers, and big-wall climbers from around the world.

The Cochamó Valley is a granite wonderland enclosed by walls of rock that soar hundreds of metres above the valley floor. The area shares both its geological character and its global reputation with Yosemite Valley in California, though only a fraction as many visitors reach it. The Río Cochamó runs the length of the valley, swift and cold year-round, fed by some of the highest annual rainfall in South America — over 3,000 mm per year. Dense Valdivian temperate rainforest covers the lower slopes, broken only by broad open clearings that served historically as cattle pastures and today function as rest points and landmarks for GPT hikers.

The section begins at the small village of Cochamó on the Reloncaví Estuary, south of Puerto Montt and Puerto Varas. It then follows the Río Cochamó into the mountains, passing through increasingly wild terrain to reach La Junta — the valley's central clearing and the hub of whatever human activity exists here. Beyond La Junta, the route continues toward the granite formations of El Arco and deeper into trackless backcountry toward Lago Vidal.

The Greater Patagonian Trail is designated as part of the International Walking Network (IWN), placing it alongside the world's most significant long-distance footpaths. Unlike waymarked European trails, the GPT operates as a network of preferred routes and alternatives; hikers carry GPS tracks and the regularly updated Hiker's Manual, both available through the official documentation. Section 22 demands navigation confidence, physical resilience, and — critically — sound judgment about when not to cross a river.

Route Overview & Stages

The GPT Section 22 follows the Cochamó Valley from the coastal village of Cochamó into the granite mountains. The trail combines cattle tracks, faint footpaths, and gravel river banks; it is not formally waymarked and exact distances are route-dependent and subject to change. The terrain is relentlessly wet: river crossings are frequent, mud is the default underfoot surface, and bridges are scarce. Expect significantly slower progress per kilometre than on waymarked routes.

Three principal waypoints define the section: the village of Cochamó, the central clearing at La Junta, and the granite landscape of El Arco. Most through-hikers complete the section in three to four days walking one-way. The table below outlines the key stages with estimated walking times; precise kilometre figures are not published here to avoid misleading hikers on this non-waymarked, variable-condition route.

River crossing advisory: The Río Cochamó and its tributaries must be forded multiple times on Stage 1. After sustained rain — which can fall for several consecutive days without pause — these crossings reach waist depth and become genuinely dangerous. Cross only at established ford points with trekking poles planted downstream. If the water is moving too fast to see the riverbed clearly, do not attempt the crossing. Jan Dudeck's official route notes identify packraft capability as advantageous for this region of the GPT.

Highlights & Points of Interest

• Valle Cochamó: The defining landscape of Section 22 — a glacially carved granite valley with walls rising several hundred metres on both sides. The valley floor shifts between dense forest, open cattle meadows, and gravel river flats, creating an ever-changing visual corridor that rewards slow travel.
• La Junta clearing: The social hub of the valley, a broad grassy opening reached after the first long day from Cochamó village. Refugio La Junta provides the only permanent accommodation for many kilometres and serves as an information exchange among hikers. Most visitors spend an additional night here before continuing — this is the right call, and rushing past it is one of the few genuine mistakes you can make on this section.
• El Arco: A celebrated granite arch and the valley's most iconic landmark beyond La Junta. The surrounding walls have attracted big-wall climbers from Chile and internationally, drawn by multi-pitch granite routes on faces rising more than 500 metres from the valley floor. Even hikers with no interest in climbing benefit from the route knowledge and weather awareness that the climbing community brings to Refugio La Junta.
• Río Cochamó: The river is simultaneously the trail corridor and the main obstacle. Tea-coloured from natural tannins and running cold year-round, it requires multiple careful fords on Stage 1. Its character — braided and shallow in places, channelled and fast in others — changes with every rain event, which is part of what makes this trail genuinely unpredictable.
• Valdivian temperate rainforest (bosque valdiviano): One of the rarest forest ecosystems on Earth, covering the lower valley slopes. Giant coigüe and olivillo trees, deep beds of mosses, and cascading lichens filter the dim valley light for hours at a time. Walking through this forest is unlike anything else on the GPT.
• Andean condors: The Cochamó Valley supports condors that ride thermals above the granite walls on most clear mornings. A condor at close range — with a wingspan reaching 3.2 metres — against pale grey rock is a sight that stops hikers in their tracks.
• Pudú deer: The world's smallest deer, endemic to southern Chile and Argentina, inhabits the forest margins of the Cochamó Valley. Sightings are most likely at dusk near treeline clearings along the river banks.
• Reloncaví Estuary views: From Cochamó village at the trailhead, the Reloncaví Estuary stretches west toward the Pacific. On clear days, the volcanic cones of Calbuco and Osorno are visible across the water — a powerful send-off as you leave the road behind.

Best Time to Hike the Greater Patagonian Trail Section 22: Cochamó

The Cochamó Valley is one of the wettest inhabited places in Chile, receiving over 3,000 mm of rain annually — roughly five times the annual rainfall of London. Timing your hike does not eliminate rain here; it reduces how frequently and severely it falls. Expect wet days in any month of the hiking season.

The practical hiking window runs from November to March. January and February offer the most consistent periods of settled weather, with multi-day dry windows appearing more regularly than at any other time of year. February is the single best month to hike Section 22 — temperatures average 14–18°C on the valley floor, the snowmelt surge from the peaks above has largely run off (reducing river levels compared to November and December), daylight extends beyond 14 hours, and Refugio La Junta is reliably staffed and provisioned. As of 2026, climate variability has made November and late March noticeably wetter than historical averages suggest; the core window of December to February is the safer planning horizon.

April conditions deteriorate quickly and decisively. After the first autumn storm fronts, river crossings become riskier and the refugio at La Junta typically reduces operations or closes entirely from mid-April. From May to October, frontal rain is persistent, temperatures can fall below zero at altitude, and the valley crossings in this period are suitable only for hikers with packraft experience, winter survival skills, and full emergency communications. There is no shortcut to waiting for summer.

For GPT through-hikers covering multiple sections: hike Section 22 southbound, travelling north-to-south through Patagonia so that you arrive at Cochamó from the northern sections in late December or January. Two to three weeks of conditioning on earlier sections, combined with the peak summer weather window, is the optimal combination.

Practical Information

Accommodation

Refugio La Junta is the section's only permanent facility — a working hut at the central valley clearing that provides bunk beds, basic meals, and horse-assisted gear portage for those who arrange it in advance. Budget approximately €20–30 per night for a bunk; meals are charged separately. Booking ahead is essential for December through February: the refugio has limited capacity and fills with a mix of GPT through-hikers, valley trekkers, and rock climbing expeditions. Contact is typically arranged through trekking agencies in Puerto Varas, as the refugio has no consistent online presence.

Wild camping is viable along most of the route. Carry a fully free-standing tent — the boggy terrain makes pegs unreliable in places and you may need to pitch on gravel river bars or under forest cover. Water is abundant throughout but must be filtered; livestock graze in the upper valley and water quality downstream cannot be assumed safe without treatment.

A secondary shelter near El Arco is used by climbing expeditions and may be accessible to hikers, but its condition and availability change year to year. Do not rely on it as a primary accommodation option on any planned itinerary.

Getting There & Back

The nearest international airport is Aeropuerto El Tepual (PMC) in Puerto Montt, served by daily flights from Santiago (flight time approximately 1 hour 30 minutes) and by some direct services from Buenos Aires. Puerto Varas, 20 km north of Puerto Montt, is the preferred base for most GPT hikers in this region — it offers better accommodation, outdoor gear shops, and an active community of experienced GPT veterans whose recent route knowledge is genuinely valuable.

From Puerto Montt or Puerto Varas, buses serve the town of Cochamó (journey time approximately 2 hours). Services are infrequent; verify the current timetable through the Puerto Montt bus terminal or consult SERNATUR, Chile's national tourism service, which maintains regional transport information for the Los Lagos area. As of 2026, no fixed public transport timetable exists for this route — confirm departures the day before you plan to travel.

Returning from the far end of Section 22 — Lago Vidal or onward into the next GPT section — requires either pre-arranged horse transport through Refugio La Junta, retracing the route to Cochamó village on foot, or continuing southbound on the GPT. Many hikers treat Section 22 as a 6–7 day return trip from Cochamó, spending two nights at La Junta in each direction.

Permits & Fees

No government permit is required to hike Section 22 as of 2026. The route crosses a combination of private land — accessed through the informal landowner agreements that underpin the GPT's collaborative access model — and unprotected public land with no formal entry system. The GPT's foundational principle is that hikers are guests: leave gates exactly as you find them, do not camp in active grazing areas without permission, and treat the valley, its landowners, and the refugio operators with the respect the access model depends on.

GPS tracks and the current Hiker's Manual for all GPT sections are available for free download through the official Wikiexplora GPT documentation. Downloading the most recent version before departure is not optional — the route is regularly updated as land access changes, and an outdated track can lead onto closed crossings or private property without warning. Refugio La Junta charges separately for accommodation and meals; there is no valley-wide entrance fee.

Gear & Packing List

Packing for Cochamó is fundamentally a waterproofing exercise. Every item in your pack will be tested by rain during the approach; every boot and gaiter will be tested by river crossings and mud on the trail. The list below reflects the specific conditions of Section 22 rather than generic multi-day hiking advice.

• Waterproof pack: A pack that stays dry without a rain cover is a meaningful advantage in the Cochamó Valley. The Hyperlite Mountain Gear 3400 Windrider is built from DCF (Dyneema Composite Fabric) and is inherently waterproof with no separate liner needed — a significant advantage when rain can be continuous for 48 hours. For faster, lighter travel on a 3-day push to La Junta and back, the 2400 Windrider handles a stripped-down kit at a lower carry weight.
• Mid-volume conventional pack: Hikers who prefer frame and hipbelt support for heavier food and gear loads should consider the Osprey Aether 65, built for sustained load-bearing wilderness travel. Pair it with a roll-top dry bag liner for full waterproofing.
• Ultralight option: For experienced hikers comfortable with lighter systems, the Zpacks Arc Haul Ultra 40L works well if consumables are planned carefully for the multi-day carry from Cochamó with no resupply.
• Waterproof jacket and over-trousers: Full Gore-Tex or equivalent. Budget shells fail quickly in sustained Patagonian rain. Breathability matters because ambient humidity is so high that non-breathable membranes cause internal soaking from sweat within a few hours of walking.
• Trekking poles: Non-negotiable for the river crossings on Stage 1. Use both poles planted upstream and shuffle across perpendicular to the current; switch to the downstream-V technique in stronger flows. Never attempt the Río Cochamó fords without poles.
• Full gaiters: High gaiters keep mud and water from entering boots on the boggy, braided valley path. Ankle gaiters are not sufficient; full-height coverage is worth the modest weight penalty on this section specifically.
• High-calorie food for every day plus one emergency day: Resupply is impossible beyond Cochamó village. Plan for the full calorie demands of a hard hiking day — typically 400–600 kcal per hour at this terrain and pace — multiplied by your planned days on section.
• Water filter: Mandatory. Livestock graze throughout the upper valley; do not drink unfiltered river water regardless of how clean it appears.
• Satellite communicator: Mobile signal ends at Cochamó village. A Garmin inReach or equivalent satellite messaging device is strongly recommended for solo hikers or any party attempting the full section without a local guide.

For a comparison of pack systems suited to demanding multi-day wilderness routes, the best ultralight backpacks for 2026 covers the key options across load sizes and hiking styles.

Similar Trails You Might Like

The Greater Patagonian Trail links dozens of equally compelling sections across Chile's volcanic and Andean interior. If the granite drama of Cochamó drew you in, the sections further north along the GPT offer a volcanic contrast — active craters, thermal springs, and open ridgelines above the treeline in landscapes that could not be more different from the forested valley you just walked. For a taste of comparable self-sufficiency and mountain drama in a completely different part of the world, the Theth to Valbona trail in Albania offers the same mix of remoteness and visual reward that GPT veterans respond to.

• Greater Patagonian Trail Section 6: Volcán Descabezado (Chile) — passes through the volcanic landscape of the Maule Region with the Descabezado Grande crater as a centrepiece; drier and more exposed than Cochamó, with a very different character.
• Greater Patagonian Trail Section 8: Volcán Chillán (Chile) — traverses the active Chillán volcanic complex with thermal features and challenging high-altitude terrain above 2,000 m.
• Greater Patagonian Trail Section 9: Volcán Antuco (Chile) — circles the perfectly conical Volcán Antuco in the Biobío Region; a classic GPT section with strong summit views on clear days and simpler access logistics than Cochamó.

Frequently Asked Questions

What is the best time of year to hike GPT Section 22: Cochamó?
February is the best single month. The austral summer window of November to March is the only practical season for most hikers, but February offers the strongest combination of settled weather, manageable river levels, long daylight hours, and reliable staffing at Refugio La Junta. As of 2026, November and late March have become less predictable due to shifting precipitation patterns; plan your core window around December to February for the most reliable conditions.

How difficult is the Greater Patagonian Trail Section 22?
Section 22 is demanding and suited to hikers with prior multi-day wilderness experience. The challenge is not extreme altitude — the valley stays relatively low — but comes from repeated river crossings, persistent mud, route-finding without trail markers, and cumulative physical effort sustained over several days. Solo beginners should not attempt this section. Those with established navigation skills and multi-day pack experience will find it strenuous but achievable with proper preparation and the right season.

How many kilometres can I expect to cover per day on Section 22?
Budget 12–18 km of forward progress per hiking day, depending on river levels, trail conditions, and how long each ford takes. Progress on the Cochamó valley path is considerably slower than the same distance on a waymarked European trail — braided, muddy ground and time at river crossings add significantly per kilometre. Most hikers take 3–4 days to complete the section one-way, with La Junta forming a natural midpoint rest after the first long day from Cochamó village.

Where can I sleep on the Greater Patagonian Trail Section 22?
Refugio La Junta is the only permanent accommodation on the section, offering basic bunks and meals for approximately €20–30 per night. Booking ahead is essential for December through February as capacity is limited and the refugio fills with hikers, trekkers, and climbing expeditions simultaneously. Wild camping is permitted along most of the route; carry a free-standing tent suited to boggy ground. A secondary shelter near El Arco exists but cannot be relied upon as primary accommodation.

Do I need a permit to hike GPT Section 22: Cochamó?
No government permit is required as of 2026. The route crosses private and public land under the GPT's collaborative access model — hikers are guests, not permit-holders. Download the current GPS tracks and Hiker's Manual from the official Wikiexplora documentation before departure; the route is regularly updated as access conditions change, and an outdated track can lead onto closed crossings or restricted property. Respect all gates, grazing areas, and private land throughout the section.