Hiking Trails: Carretera Austral
The Carretera Austral offers an unparalleled journey into the heart of wild Patagonia, where untamed landscapes unfold at every turn. Hike through ancient forests, witness colossal glaciers, and marvel at turquoise lagoons tucked beneath jagged peaks. This legendary road trip reveals some of Chile's most remote and spectacular trekking experiences.
Updated for 2025–2026 Season11 min readOverview
Hiking along the Carretera Austral is an adventure into Chile's rugged Aysén region, characterized by its dramatic fjords, vast ice fields, and verdant temperate rainforests. From challenging multi-day expeditions in Cerro Castillo National Park to accessible walks leading to hanging glaciers, there's a trail for every level of explorer. The region's unpredictable weather demands preparedness, but the rewards are breathtaking vistas and a profound connection with nature.
The Carretera Austral presents a wide spectrum of hiking difficulties, from easy interpretive trails perfect for families to strenuous multi-day backcountry treks requiring significant physical fitness, navigation skills, and proper gear. Many of the most iconic trails, such as those in Cerro Castillo, are considered hard or expert due to substantial elevation gain, variable terrain, and exposure to unpredictable Patagonian weather.
Trails
Ventisquero Colgante (Hanging Glacier) Trail
moderateout-and-backPermit RequiredDistance
6 km
Elevation Gain
+250m
Duration
3-4 hours
Type
out-and-back
A popular and accessible trail within Queulat National Park, leading to stunning viewpoints of the Ventisquero Colgante (Hanging Glacier). You'll trek through lush temperate rainforest before being rewarded with the sight of a massive glacier perched high above, dramatically dropping waterfalls into a lagoon.
Highlights
Waypoints
Trailhead / Bridge Entrance
0 km from start · +0m · 0h
Cross a suspension bridge over the Ventisquero River, marking the start of the main trail into the national park.
Interpretive Path Junction
0.8 km from start · +30m · 0h 20min
The trail splits, offering a choice between a shorter, flatter path to a viewpoint or a slightly longer, more challenging route to the base of the glacier's waterfall.
Main Viewpoint (Mirador)
2.5 km from start · +150m · 1h 30min
A designated viewing platform offering stunning panoramic views of the Hanging Glacier and its impressive waterfalls plunging into the lagoon below.
Laguna Témpanos Viewpoint
3.0 km from start · +200m · 2h
A short detour leads to a viewpoint overlooking the Laguna Témpanos, where icebergs calved from the glacier often float.
- • Waterproof hiking boots
- • Rain jacket and pants
- • Warm layers (fleece)
- • Backpack (day pack)
- • Water bottle
- • Snacks
Permit Required: Yes — National park entrance fee payable at the park entrance booth. Check the CONAF website for current prices and operating hours.
Trailhead Access: The trailhead is located directly off the Carretera Austral, within Queulat National Park. There is ample parking available. A car is essential to reach the park entrance.
Water Availability: Natural streams are present, but it's recommended to carry sufficient water or a filter.
Camping Options: Cabins and a designated campsite are available within Queulat National Park, near the entrance. Advance booking is advisable during peak season.
Best Months: October, November, December, January, February, March, April
Laguna Cerro Castillo Trek (Day Hike)
hardout-and-backPermit RequiredDistance
16 km
Elevation Gain
+1100m
Duration
8-10 hours
Type
out-and-back
An iconic and challenging day hike to the vibrant turquoise Laguna Cerro Castillo, nestled at the base of the dramatic Cerro Castillo massif. This trek offers breathtaking views of jagged peaks, hanging glaciers, and ancient Lenga forests, culminating in one of Patagonia's most photographed landscapes.
Highlights
Waypoints
Trailhead (Estero El Bosque)
0 km from start · +0m · 0h
The starting point for the day hike, located a short drive from Villa Cerro Castillo. Begin ascending steadily through native forest.
Forest Ascent
3 km from start · +400m · 2h
A continuous climb through dense Lenga and Coihue forests, offering occasional glimpses of the valley below.
Valle Turbio Viewpoint
4.5 km from start · +600m · 3h
The forest opens up, providing the first expansive views of the surrounding valleys and the distant peaks, a good spot for a break.
Moraine Access
6.5 km from start · +900m · 5h 0min
Reach the base of the rocky moraine. This section requires careful footing as you traverse loose scree and rock fields before the final climb to the lagoon.
Laguna Cerro Castillo
8 km from start · +1100m · 6h 0min
Arrive at the iconic turquoise lagoon, offering breathtaking views of the Cerro Castillo massif reflecting in its waters. A perfect spot for lunch and photography.
- • Sturdy waterproof hiking boots
- • Trekking poles
- • Waterproof and windproof layers
- • Warm hat and gloves
- • Sunscreen and sunglasses
- • Plenty of water and food
- • First-aid kit
Permit Required: Yes — National park entrance fee payable at the CONAF office in Villa Cerro Castillo or directly at the trailhead. Registration is required for all visitors.
Trailhead Access: The trailhead (Estero El Bosque) is located about 7 km from Villa Cerro Castillo and requires a vehicle to reach. Renting a car is highly recommended for flexibility; local transfers may also be available from Villa Cerro Castillo.
Water Availability: Abundant stream water available along the trail; a water filter or purification tablets are highly recommended.
Camping Options: No camping is permitted along this day hike route. Designated campsites are available for multi-day trekkers within Cerro Castillo National Park.
Best Months: November, December, January, February, March
Mirador Las Águilas Trail
moderateout-and-backPermit RequiredDistance
7 km
Elevation Gain
+500m
Duration
4-5 hours
Type
out-and-back
A rewarding half-day hike originating from Villa Cerro Castillo, offering panoramic views of the entire Cerro Castillo massif and the surrounding valleys. While less demanding than the Laguna Cerro Castillo trek, it provides stunning vistas and a wonderful introduction to the park's beauty.
Highlights
Waypoints
Trailhead (Villa Cerro Castillo)
0 km from start · +0m · 0h
The path begins just outside the main village, with clear signage indicating the start of the Mirador Las Águilas trail.
Forest Path Ascent
1.5 km from start · +200m · 1h
A steady climb through a beautiful coihue and lenga forest, offering occasional glimpses of the valley and village.
Open Ridge Section
2.5 km from start · +350m · 2h
The trail emerges from the treeline onto an exposed ridge, providing more expansive views as you approach the final viewpoint.
Mirador Las Águilas
3.5 km from start · +500m · 2h 30min
The primary viewpoint offering stunning, unobstructed views of the entire Cerro Castillo massif, including its sharp peaks and surrounding valleys.
- • Sturdy hiking shoes
- • Layers of clothing
- • Waterproof jacket
- • Water bottle
- • Snacks
- • Sun protection
Permit Required: Yes — National park entrance fee payable at the CONAF office in Villa Cerro Castillo or at the trailhead. Registration is required.
Trailhead Access: The trailhead is easily accessible on foot from Villa Cerro Castillo. Alternatively, a short drive can take you to a designated parking area closer to the starting point.
Water Availability: Limited natural water sources; carry sufficient water for the entire hike.
Camping Options: No camping is permitted along this specific trail. Camping facilities are available in Villa Cerro Castillo.
Best Months: November, December, January, February, March
Glaciar Exploradores Trail (Full Glacier Trek)
expertout-and-backPermit RequiredDistance
10-12 km
Elevation Gain
+300m
Duration
10-12 hours
Type
out-and-back
An adventurous and strenuous trek that combines a hike through ancient forests and across a rugged moraine with a guided ice walk on the immense Glaciar Exploradores. This full-day expedition provides a rare opportunity to explore the crevasses, ice caves, and unique formations of the Northern Patagonian Ice Field.
Highlights
Waypoints
Trailhead (Parking Area)
0 km from start · +0m · 0h
The trek begins at the end of the gravel road from Puerto Rio Tranquilo, entering a dense forest path.
Ancient Forest Path
2 km from start · +100m · 1h 30min
Hike through a beautiful, old-growth Valdivian temperate rainforest, often muddy and with river crossings.
Moraine Crossing
4 km from start · +250m · 3h 0min
Emerge from the forest onto the rugged, rocky moraine. This section involves scrambling over loose rocks and boulders to reach the ice edge.
Glacier Access Point
5 km from start · +300m · 4h 0min
The point where crampons, ice axe, and other technical gear are donned. Here, the guided ice trek begins onto the surface of the Glaciar Exploradores.
Ice Formations Exploration
variable from start · variable · variable (3-4 hours on ice)
Spend hours exploring incredible ice formations, deep crevasses, and potentially fascinating ice caves under the guidance of expert mountaineers.
- • Waterproof and sturdy hiking boots (can be rented)
- • Waterproof and windproof outer layers
- • Warm layers (down/fleece)
- • Gloves and warm hat
- • Sunglasses and sunscreen
- • Small backpack
- • Packed lunch and snacks
- • Crampons, ice axe, harness (provided by tour operator)
Permit Required: Yes — A permit and a certified guided tour are mandatory for safety when trekking on the glacier. These are typically included in the price of the guided expedition. A national park entrance fee may also apply.
Trailhead Access: The trailhead is located approximately 52 km west of Puerto Rio Tranquilo, accessed via a gravel road that can be rough. A 4x4 vehicle is highly recommended, or transportation can be arranged through local tour operators, which is common for this trek.
Water Availability: Meltwater from the glacier is available (filter recommended); bring sufficient personal water. Tour operators often provide some water.
Camping Options: No camping is permitted on the glacier itself. There are basic camping facilities near Puerto Rio Tranquilo, and some remote camping spots along the road to Glaciar Exploradores.
Best Months: October, November, December, January, February, March, April
Drive to the Trailhead
Browse Car RentalsSafety Tips
- 1Always inform someone of your hiking plans and expected return time, as cell service is unreliable in remote areas.
- 2Carry adequate water, high-energy food, and emergency supplies (first-aid kit, headlamp, fire starter).
- 3Dress in layers; Patagonian weather can change rapidly from sun to rain, wind, or even snow, often within an hour.
- 4Waterproof and windproof outer layers are essential, regardless of the forecast.
- 5Carry a physical map, compass, or a reliable GPS device, and know how to use them. Do not rely solely on phone apps.
- 6Respect wildlife and maintain a safe distance. Never feed wild animals.
- 7Pack out everything you pack in (Leave No Trace principles) to preserve the pristine environment.
- 8Be aware of river crossings and potential flash floods, especially after heavy rain. Do not attempt to cross swollen rivers.
- 9Consider hiring a local guide for more challenging or remote treks, especially those involving glaciers or technical terrain.
- 10Check weather forecasts and trail conditions with CONAF (Chilean National Forest Corporation) or local tour operators before heading out.
Emergency Contacts
Rescue Service
+56 9 133 (Chilean Police / General Emergency Services)
Park Rangers
Local CONAF (Corporación Nacional Forestal) offices in respective national parks (e.g., Queulat, Cerro Castillo, Patagonia National Park). Use the general emergency number if direct contact is unavailable.
Nearest Hospital
Hospital Regional Coyhaique (Dr. Ernesto Torres Galdames), located in Coyhaique, is the main regional hospital. Smaller local clinics exist in towns like Puerto Aisén, Cochrane, and Chile Chico.
Before you hit the trail: Carretera Austral
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Frequently Asked Questions
Do I need a permit to hike in the Carretera Austral?
Many trails within national parks (like Queulat, Cerro Castillo, Patagonia National Park) require an entrance fee and registration with CONAF (Chile's park service). Some independent trails outside of national parks might be free, but it's always best to check local regulations. For certain technical treks, like Glaciar Exploradores, a guided tour and associated permit are mandatory.
What is the best time of year to hike the Carretera Austral?
The ideal hiking season is from November to March (Southern Hemisphere summer), when temperatures are milder, and daylight hours are longer. However, expect changeable weather, including rain and strong winds, even during peak season. Shoulder seasons (October, April) can offer fewer crowds but more unpredictable weather.
Is it safe to hike alone?
While many trails are popular, cell service is extremely limited in remote areas. For safety, it's highly recommended to hike with a companion, inform someone of your itinerary, and carry appropriate safety gear, especially on longer or more challenging treks. Solo hiking in remote Patagonia carries inherent risks.
What kind of gear should I bring?
Layers are crucial due to Patagonia's famously unpredictable weather. Essential items include waterproof and windproof outer shells, sturdy waterproof hiking boots, warm clothing (fleece/down), trekking poles, a warm hat, gloves, sun protection, a water filter, and a comprehensive first-aid kit.
How do I get to the trailheads?
Most trailheads along the Carretera Austral require private transportation. Renting a 4x4 vehicle is highly recommended for flexibility and accessing more remote areas, as public transport options are infrequent and often don't reach directly to trail start points. Some popular trailheads have local transfer services available from nearby towns.
Are there guided tours available?
Yes, many local operators offer guided hiking tours, especially for more technical treks like the Glaciar Exploradores ice trek or multi-day excursions in Cerro Castillo. Guides provide expertise, ensure safety, and often handle logistics like transport and permits, making them a great option for complex routes.
What about water sources on the trails?
Many trails in Patagonia have abundant streams and rivers fed by glaciers and rainfall. However, it is always recommended to carry a water filter or purification tablets to treat water from natural sources, especially downstream from populated areas or where livestock are present.
Can I camp along the trails?
Camping is generally restricted to designated campsites within national parks, especially for multi-day treks. Wild camping is often prohibited or requires specific permits to protect the fragile ecosystem. Always check park regulations and respect signage. Backpacking to designated sites is often the only option for multi-day trips.