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Brown bear ecotourism · Asturias and Cantabria

The bear's house,
the brown bear lives here

The independent guide to the Casas del Oso, the interpretation centres, the best areas for responsible bear watching and the bear-friendly stays of the Cantabrian Mountains.

Explore the bear houses → See wild bears
Proaza · Somiedo · Liébana
Responsible watching
370+ bears on record
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The story

From 80 bears on the brink to more than 370

In the 1980s the Cantabrian brown bear was on the verge of extinction: barely 80 individuals sheltering in the most remote mountains of Asturias. Forty years of protection, coexistence and responsible tourism have turned the Cantabrian Mountains into the best place in western Europe to see bears in the wild.

The Casas del Oso —Proaza, Somiedo, Cangas del Narcea, Liébana— tell this success story. We take you to their door, tell you where to look and teach you how to do it without the bear paying the price.

Trubia valley in Proaza, one of Europe's finest bear territories
0brown bears counted in the Cantabrian Mountains
0bear houses and interpretation centres
0regions, one single bear population

Asturias · cradle of the bear

The bear houses of Asturias

Proaza, Somiedo and Muniellos: the three sanctuaries of the Asturian bear, with their interpretation centres, enclosures and viewpoints.

Casa del Oso de Proaza and the Trubia Valley, Asturias Interpretation centre

Casa del Oso de Proaza: Asturias’ most famous bear house

The reference centre for the brown bear in Asturias: an exhibition space beside the river Trubia, enclosures where bears that cannot live in the wild are cared for, and a valley where the wild bear can be spotted from the viewpoints of the Bear Trail (Senda del Oso).

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Glacial lake and thatched-roof braña in the Somiedo Natural Park Interpretation centre

Casa del Oso de Somiedo: the park’s bear interpretation centre

Somiedo is the bear’s historic sanctuary: Asturias’ first natural park and a UNESCO Biosphere Reserve. Its interpretation centre, the Casa del Oso in Pola de Somiedo, is the perfect prelude to the valleys where the species never died out.

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Inside the Muniellos oak forest in the mist, Cangas del Narcea Nature reserve

Muniellos & Cangas del Narcea

Hidden in the southwest of Asturias is the largest oak forest in Spain: the Muniellos Integral Nature Reserve, heart of the Fuentes del Narcea, Degaña and Ibias Biosphere Reserve and one of the best-preserved forests in Europe.

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Liébana valley at dawn with the snow-capped Picos de Europa in the background

Cantabria · the frontier of the comeback

The bear house in Liébana

At the foot of the Picos de Europa, Liébana is the great expansion valley of the Cantabrian bear. Potes and Pesaguero hold its interpretation centres; the surrounding mountains see more sightings every year.

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Casa del Oso de Potes, in the Liébana Valley, Cantabria Interpretation centre

Casa del Oso de Potes: the bear house at the heart of Liébana

In the very heart of Potes, the capital of Liébana, the Casa del Oso brings visitors closer to the biology and the recovery of the Cantabrian brown bear, with the Picos de Europa as the stage and the valley as an open-air classroom.

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Casa de la Naturaleza de Pesaguero, the bear interpretation centre in Liébana Interpretation centre

Casa de la Naturaleza de Pesaguero: Liébana’s bear centre

Ten minutes from Potes, the Casa de la Naturaleza de Pesaguero offers the most complete and rigorous view of Cantabrian brown bear conservation: an essential visit for anyone who wants to truly understand the miracle of its recovery.

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Responsible bear watching

Where and when to see wild bears

There is no magic: there is biology. A bear is seen where it lives, in the hours when it moves and in the seasons when it comes down from the mountain. These are the year's two windows.

Dic – Mar Winter

Partial hibernation. The bear barely comes out; watching is limited to tracks and footprints in the snow.

Abr – Jun Spring · cubs

She-bears come down to sunny slopes with their cubs. The most thrilling season (and the one that demands the most distance).

Jul – Ago Summer

Livestock on the high pastures and bears in the dense forest: the worst season for sightings, the best for scenery.

Sep – Nov Autumn · hyperphagia

Bears gorge non-stop on acorns and chestnuts: almost daily sightings in the oak woods. The great season.

Landscape of the Somiedo Natural Park, the best bear-watching area in western Europe Somiedo

The highest-odds valley in Europe

Somiedo is, without question, the best place in western Europe to see brown bears in the wild. We explain the seasons, the viewpoints and how to do it with the park’s licensed guides.

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Forests of the Fuentes del Narcea Biosphere Reserve, a bear area Fuentes del Narcea

Wild bears, no crowds

Asturias’ far south-west — Cangas del Narcea, Degaña and Ibias — is the region’s other great bear reserve: wilder and less trodden than Somiedo. Here the bear rules, and tourism is done with respect.

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The Liébana valley with the Picos de Europa, the bear’s expansion area Liébana

The bear frontier moves east

Liébana is the frontier of the returning bear: the eastern Cantabrian population grows year on year and the valley of the Picos de Europa has become its great stage. Fewer observers on the road, a stronger sense of discovery.

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Where to stay

Bear-friendly stays

A sighting is decided at 6 in the morning. Sleeping 15 minutes from the viewpoint, breakfasting before dawn and coming back in full daylight: that is a stay designed for the bear.

  • Observer's breakfastEarly service and packed lunch for dawn outings.
  • Real proximityCountry houses and hotels just minutes from the viewpoints.
  • Tourism that conservesLocal stays in Proaza, Somiedo and Liébana.
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Traditional thatched-roof country house beside a lake in Somiedo
Rural cottage with a thatched teito roof in Somiedo beside a mountain lake Rural stays

Rural cottages in Somiedo

Sleeping inside the Somiedo Natural Park is the bear watcher’s biggest advantage: while others are still climbing the pass, you already have an hour of viewing in. These are the areas and the criteria for choosing well.

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The Trubia valley at Proaza, with the Senda del Oso running beside the river Hotels & guesthouses

Hotels and guesthouses in Proaza and the Senda del Oso

The Trubia valley combines the highest bear density in Asturias with the proximity of Oviedo: here you can sleep in a characterful hotel or a rural cottage and be five minutes from the Casa del Oso and the Senda del Oso viewpoints.

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The Liébana valley at dawn with the Picos de Europa in the background Hotels & guesthouses

Where to stay in Liébana

Potes is the sleeping capital of the Picos de Europa and the perfect base for Cantabria’s bear tourism: rural guesthouses in the old quarter, hotels with views of the massif and peaceful places in the villages of the valley.

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Code of ethics

Seeing a bear is a privilege. Keeping it that way is a responsibility.

Distance, silence, viewpoints and accredited guides: the ten rules that turn your sighting into a win for the bear.

Read the responsible-watching guide →

FAQ

Frequently asked questions about the bear trail

Everything you need to know before planning your bear getaway.

What is the Casa del Oso?

The Casas del Oso are the interpretation centres dedicated to the Cantabrian brown bear: the best known is in Proaza (Asturias), right beside the Senda del Oso, and there are others in Somiedo, Cangas del Narcea, Potes and Pesaguero (Liébana).

Where can you see wild bears in Asturias and Cantabria?

The three main areas are Somiedo Natural Park, the Fuentes del Narcea Biosphere Reserve (Asturias) and Liébana (Cantabria). Best times of year: May–June and September–October, at dawn or dusk.

How many brown bears live in the Cantabrian Mountains?

The latest surveys put the population at more than 370 individuals, split between the western subpopulation (Asturias, León and Lugo) and the eastern one (Cantabria and Palencia). The trend is clearly positive.

Do I need to hire a guide to see bears?

It is not compulsory, but an accredited guide multiplies your chances of a sighting and guarantees responsible watching. Our bear-watching guide tells you how to choose one.

How much does it cost to visit the Casa del Oso in Proaza?

An adult ticket costs around €4–6, with discounts for children and families. Opening hours change by season: see our Proaza page for the details, and always confirm on the official website.

Ready for the bear trail?

Pick your valley, pick your season and set out knowing you are doing it right. The forest is waiting.

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