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Aysén del General Carlos Ibáñez del Campo
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Aysén del General Carlos Ibáñez del Campo

Aysén is raw Patagonia, a vast, sparsely populated wilderness of glaciers, fjords, and turquoise rivers accessible primarily via the Carretera Austral, one of the world's great road trips. Coyhaique is the staging point for the marble caves of General Carrera Lake and the hanging glacier of Queulat.

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The Carretera Austral, One of Earth's Great Road Trips

The Carretera Austral is more than a road, it is a 1,240-kilometre journey through some of the most pristine wilderness left on the planet. Carved through mountains, rainforest, and glacial valleys by the military government in the 1970s and 1980s, it connects the small towns and estancias of Aysén in a single unpaved ribbon that is part adventure, part pilgrimage.

From its northern terminus at Chaitén (rebuilt after the volcano's devastating 2008 eruption) to its southern end at Villa O'Higgins, the road passes through landscapes that shift from lush temperate rainforest to Patagonian steppe, crossing rivers on car ferries, winding along fjord edges, and climbing over mountain passes where the only company is a condor riding the thermals.

Cycling the Carretera Austral has become a bucket-list journey for long-distance touring cyclists, and road-trippers in campervans and 4x4s find a frontier atmosphere of simple hospedajes, wood-fired stoves, and a warmth of hospitality born from the isolation.

Marble Caves and General Carrera Lake

Lago General Carrera, shared with Argentina (where it is called Lago Buenos Aires), is the largest lake in Chile and the second-largest in South America. Its milky turquoise colour, a product of glacial rock flour suspended in the water, is extraordinary, but the lake's most famous feature lies on its western shore: the Capillas de Mármol (Marble Caves), a labyrinth of water-carved marble formations that glow in shades of blue, white, and silver as the turquoise lake water reflects off their polished surfaces.

Visited by small boat from the village of Puerto Río Tranquilo, the caves are one of Chile's most surreal natural sights, their colours shifting with the light and water level.

The lake also offers kayaking, windsurfing, and some of the finest fly-fishing in Patagonia, with rainbow and brown trout reaching trophy sizes in its clear, cold waters.

Queulat and the Hanging Glacier

Queulat National Park, draped in dense Valdivian rainforest and perpetual mist, is home to one of Chile's most iconic sights: the Ventisquero Colgante, a hanging glacier that spills over a cliff face and calves into a forested gorge below. The sight of blue ice suspended between granite walls, with waterfalls streaming from its melting face into a turquoise lagoon, is genuinely awe-inspiring and accessible via a moderate hike and a suspension bridge that sways above the gorge.

The surrounding park is a labyrinth of trails through temperate rainforest so dense and primeval that sunlight barely reaches the forest floor, a world of giant nalca leaves, hanging mosses, and the calls of chucao tapaculos echoing through the understory.

The enchanted forest trail near the park entrance passes through a grove of ancient trees draped in Spanish moss that could be a set from a fantasy film.

Baker River, Glaciers, and the Ice Fields

The Baker River, Chile's most voluminous, runs an impossible shade of blue, a glacial blue so vivid it seems artificially enhanced, from its source at Lago Bertrand through a valley of estancias to the sea at Caleta Tortel. Caleta Tortel itself is one of Chile's most singular villages: built entirely on wooden boardwalks and staircases above the water at the mouth of the Baker, with no streets or cars, it feels suspended between the forest and the fjord.

East of the Baker, the Northern Patagonian Ice Field, a remnant of the last ice age covering 4,200 square kilometres, sends glaciers pouring down into valleys and lakes, including the San Rafael Glacier, accessible by boat from Puerto Chacabuco.

Watching building-sized chunks of ice calve from the glacier face into the lagoon, with the thunderous crack echoing off the surrounding mountains, is one of Patagonia's most powerful experiences.

Fly-Fishing, Estancias, and Gaucho Culture

Aysén is a fly-fishing paradise. Virtually every river, lake, and stream in the region holds populations of rainbow trout, brown trout, and landlocked salmon introduced in the early 20th century that have thrived in the cold, clean waters. Rivers like the Baker, Simpson, Ñirehuao, and Cisnes offer world-class wading and drift-boat fishing, and a growing number of lodges cater to anglers seeking trophy fish in pristine surroundings.

The region's estancias, vast cattle and sheep ranches that were the first permanent settlements along the Carretera Austral, preserve a gaucho culture of horseback riding, mate-drinking, and asado that feels closer to the Argentine pampas than to Santiago.

Some estancias now welcome guests for multi-day horseback treks through the backcountry, offering a window into a way of life defined by self-reliance, seasonal rhythms, and a profound connection to one of the world's last great wildernesses.

Points of Interest

Cities (6)Natural Reserves (19)

Cities

Cities

Puyuhuapi

Small fishing village on the Puyuhuapi Channel, founded by German Sudeten settlers in 1935. Gateway to Parque Nacional Queulat and the famed hot springs across the fjord.

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Cities

Puerto Aysén

Former main port of the Aysén region, now a quiet river town at the mouth of the Aysén River. Nearby Puerto Chacabuco is the embarkation point for boat tours to the San Rafael Glacier.

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Cities

Coyhaique

Regional capital and only mid-sized city of Aysén, set in an open valley at the foot of Cerro Mackay. Hub of the Carretera Austral, surrounded by ranching country and protected wilderness.

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Cities

Chile Chico

Dry, sunny town on the southern shore of Lago General Carrera near the Argentine border, known for its unusually mild microclimate and as the launching point for the Marble Caves and Parque Nacional Patagonia.

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Cities

Caleta Tortel

Singular village built entirely on cypress boardwalks and staircases above the water at the mouth of the Baker River, with no roads or cars. Surrounded by Patagonian rainforest and fjord scenery.

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Cities

Villa O'Higgins

Southernmost terminus of the Carretera Austral, near the Northern Patagonian Ice Field. End-of-the-road frontier town and the trailhead for the famous boat-and-foot border crossing to El Chaltén in Argentina.

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Natural Reserves

Natural Reserves

Parque Nacional Queulat

154,000 hectares of Valdivian temperate rainforest, hanging glaciers, and turquoise rivers. Home to the iconic Ventisquero Colgante cascading down a granite cliff.

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Natural Reserves

Termas de Puyuhuapi

Geothermal hot springs accessible only by boat, set in a remote fjord surrounded by rainforest. Operated as a luxury eco-resort and also visitable as a day spa.

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Natural Reserves

Ventisquero Colgante Queulat

Spectacular hanging glacier perched on a granite cliff inside Parque Nacional Queulat, with twin waterfalls cascading from its base into a glacial lagoon below.

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Natural Reserves

Reserva Nacional Lago Las Torres

16,000-hectare reserve along the Carretera Austral, with the deep blue Lago Las Torres flanked by dramatic granite spires. Camping, fishing, and short trails through native forest.

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Natural Reserves

Reserva Nacional Lago Carlota

18,000 hectares of pristine forest and wetlands along the Argentine border, sheltering black-necked swans and abundant trout in the lake.

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Natural Reserves

Monumento Natural Dos Lagunas

Small protected area just outside Coyhaique with two glacial lagoons surrounded by lenga forest, popular for short hikes, birdwatching, and picnics.

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Natural Reserves

Parque Nacional Coyhaique

2,150-hectare park just north of the city, with sweeping views over the Coyhaique valley and trails through coigüe and lenga forest.

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Natural Reserves

Reserva Nacional Río Simpson

41,000-hectare reserve flanking the Simpson River canyon between Coyhaique and Puerto Aysén, with waterfalls, fly-fishing pools, and abundant native birdlife.

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Natural Reserves

Centro de Esquí El Fraile

Small community-run ski resort 29 km from Coyhaique, with four lifts and runs for all levels. The only ski area in the Aysén region.

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Natural Reserves

Parque Nacional Cerro Castillo

144,000 hectares of jagged basalt spires, glacial lakes, and Patagonian forest. The multi-day trekking circuit here is often called the "little Torres del Paine" of Aysén.

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Natural Reserves

Capillas de Mármol

Naturally sculpted marble caves and cathedrals lapped by the turquoise waters of Lago General Carrera. Accessible only by boat from Puerto Río Tranquilo.

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Natural Reserves

Parque Nacional Patagonia

305,000-hectare park created from former sheep estancias by the Tompkins Conservation effort. Restored grasslands, herds of guanacos, condors, and roaming pumas.

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Natural Reserves

Reserva Nacional Lago Jeinimeni

161,000-hectare reserve south of Chile Chico, with Patagonian steppe, ancient hand-stencil cave paintings, and the namesake glacial lake.

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Natural Reserves

Parque Nacional Laguna San Rafael

Massive 1.7 million-hectare park encompassing most of the Northern Patagonian Ice Field. The San Rafael Glacier calves directly into the laguna, watched from day cruises.

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Natural Reserves

Glaciar San Rafael

Massive tidewater glacier that calves giant icebergs directly into Laguna San Rafael. Reached only by boat or small plane from Puerto Chacabuco.

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Natural Reserves

Glaciar Exploradores

One of the most accessible glaciers in the Northern Patagonian Ice Field, with road-reachable viewpoints and guided ice trekking on the glacier itself.

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Natural Reserves

Glaciar Leones

Remote tidewater glacier on Lago Leones, reached via a multi-hour trek and boat ride. One of the most pristine glacier excursions in Aysén.

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Natural Reserves

Glaciar Jorge Montt

Rapidly retreating tidewater glacier near Caleta Tortel, where building-sized ice chunks calve into Jorge Montt Bay. Visited by boat from Tortel.

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Natural Reserves

Glaciar O'Higgins

Vast glacier on the southern Northern Patagonian Ice Field, named for Chile's founding father. Calves into Lago O'Higgins and reached by boat from Villa O'Higgins.

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