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Asturias

Top 20 Natural Monuments in Asturias

Best natural monuments in Asturias include a diverse range of protected sites, from dramatic coastlines and towering mountains to ancient forests and unique geological formations. This region in northern Spain features numerous natural monuments, recognized for their ecological significance and distinct features. These areas offer varied landscapes for outdoor exploration, showcasing Asturias's commitment to preserving its natural heritage. The guide highlights 20 such locations, providing details for planning outdoor adventures.

Best natural monuments in Asturias

  • The most popular natural monuments is 6 km on the Ruta del Cares, a gorge that offers spectacular views within a rocky gap over 2,000 meters deep. The first 6 kilometers of this trail are considered particularly impressive, providing an accessible walk between mountains.
  • Another must-see spot is Arenillas Blowholes, unique seawater geysers. During strong waves, ocean pressure forces water through natural conduits in porous limestone cliffs, creating jets up to 40 meters high.
  • Visitors also love Lake Ercina, a lake located within the Picos de Europa National Park. This basin is known for its hiking trails and scenic beauty, offering a popular destination for visitors.
  • Asturias is known for its gorges, lakes, and unique coastal formations. The region offers a variety of natural monuments to explore, from mountain trails to geological spectacles.
  • The natural monuments in Asturias are appreciated by the komoot community, with more than 340 upvotes and 140 photos shared across 208 highlights.

Last updated: April 28, 2026

6 km on the Ruta del Cares

Highlight • Gorge

If you leave from Cain, the first 6 kilometers of the Ruta del Cares is the most spectacular. The views, nature in its full splendor will catch you.

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This crystalline stream surprises you before starting the Ruta del Cares. There is the possibility of taking a dip for those who want to cool off on hotter days.

Do not forget the towel and swimsuit if you go in the summer season!

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Surrounded by almost 2,000-meter-high mountains, the trail carved in limestone runs along the course of the Cares. Horseback riding is recommended as the trail leads over gravel and boulders.

You can park your car at the Poncebo hydroelectric power station (there are also restaurants here) or continue at the cog railway station to Bulnes or even to the beginning of the gorge along the road.

The most spectacular part of the route, where the canyon walls converge, does not follow until you follow the GR-202 (as the tour is shown here): The total length is approximately 22 km (round trip) with a difference in altitude of about 690 m and about 7:15 h duration (marking PR-PNPE 3).

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Arenillas Blowholes

Highlight • Natural Monument

The Bufones de Arenillas are seawater geysers near Llanes in Asturias. They produce jets of water up to 40 meters high during strong waves. A bufón is created when the pressure of the ocean waves forces water through natural conduits in the porous limestone.
It sounds like a sleeping giant snoring and snoring.

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Lake Ercina

Highlight • Lake

The Ercina basin is an elongated raft with a flat bottom, the Buferrera mine had a great influence on its final size, since a 1.50-meter-high dam was built at one end of the lake to dam the waters that were lost. down the drain.

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Through the stones

Highlight • Natural Monument

Incredible natural rock formation after kilometer 6 of the Ruta del Cares where a stop is mandatory.

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From this exposed location the statue of Christ looks out over Oviedo. He is shown with outstretched arms, but not as the crucified one: they are the blessing hands and outstretched arms of the lovingly drawing Christ. The builders of this monument expressed their desire for God's blessing for their city - and especially its residents.

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Queen's Viewpoint

Highlight • Viewpoint

The views from Mirador de la Reina are absolutely stunning. You can see the surrounding mountains and valleys, as well as the winding road that leads to the viewpoint. Due to its popularity, the viewpoint can get very crowded during the peak tourist season. It is best to arrive early in the morning or later in the afternoon to avoid the crowds.

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Following the route of the old mining train, we arrive at this spectacular passage along the Senda del Oso.
Moderate your speed: remember that we share the road with pedestrians.

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Cabo Peñas Lighthouse

Highlight • Monument

The Cabo Peñas Lighthouse is located on the most salient plateau of Cabo de Peñas, 100 meters from sea level and about 60 meters from the cliff.
In operation since 1852, it was electrified in 1946. In 1951 a siren was installed that emits the letter "P" in Morse, replaced in 1977. In 1956 a radio beacon was installed, a radio station that broadcasts in Morse PS, and in 2003 a Dgps station. Emits 3 white flashes every 15 sec. Reaching 21 miles.

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Hiking Collection by

Amalia Santiago

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JavierCR 🇪🇸
November 19, 2025, Faro de Cabo Peñas

The Cabo Peñas Lighthouse is located on the most prominent plateau of Cabo Peñas, 100 meters above sea level and about 60 meters from the cliff. In operation since 1852, it was electrified in 1946. In 1951, a siren was installed that emits the letter "P" in Morse code, which was replaced in 1977. In 1956, a radio beacon was installed, transmitting in Morse code PS, and in 2003 a DGPS station was added. It emits three white flashes every 15 seconds, with a range of 21 nautical miles.

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The Cabo Peñas Lighthouse is located on the most prominent plateau of Cabo Peñas, 100 meters above sea level and about 60 meters from the cliff. In operation since 1852, it was electrified in 1946. In 1951, a siren was installed that emits the letter "P" in Morse code, which was replaced in 1977. In 1956, a radio beacon was installed, transmitting in Morse code PS, and in 2003 a DGPS station was added. It emits three white flashes every 15 seconds, with a range of 21 nautical miles.

Translated by Google

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The Cabo Peñas Lighthouse is located on the most prominent plateau of Cabo Peñas, 100 meters above sea level and about 60 meters from the cliff. In operation since 1852, it was electrified in 1946. In 1951, a siren was installed that emits the letter "P" in Morse code, which was replaced in 1977. In 1956, a radio beacon was installed, transmitting in Morse code PS, and in 2003 a DGPS station was added. It emits three white flashes every 15 seconds, with a range of 21 nautical miles.

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Wonderful location in the Picos de Europa

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One of many impressive rock formations.

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A fantastic swimming spot in the VERY cold Cares River. Highly recommended, especially after a hike!

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At high tide, fountains spray from the ground

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spectacular

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Frequently Asked Questions

What types of natural monuments can I explore in Asturias?

Asturias offers a diverse range of natural monuments, from dramatic coastlines and towering mountains to ancient forests and unique geological formations. You can find impressive gorges like the Cares Gorge, spectacular seawater geysers such as the Arenillas Blowholes, and serene lakes like Lake Ercina within the Picos de Europa National Park.

Are there family-friendly natural monuments in Asturias?

Yes, many natural monuments in Asturias are suitable for families. Lake Ercina in the Picos de Europa National Park is a popular choice with scenic beauty and hiking trails. The Desfiladero de Peñas Juntas on the Senda del Oso offers a cycling route along an old mining train path, which is also great for families. Coastal areas like Cabo Peñas Lighthouse provide accessible viewpoints with stunning ocean vistas.

What are some notable geological formations or unique natural features to see?

Asturias is home to several unique geological formations. The Arenillas Blowholes are a must-see, where ocean pressure forces water through limestone cliffs, creating spectacular jets up to 40 meters high. The Cares Gorge, also known as 'Garganta Divina', features a trail carved into limestone cliffs surrounded by nearly 2,000-meter-high mountains. The region also boasts extensive dune systems at Playa del Espartal and Playón de Bayas.

Where can I find ancient forests or unique ecosystems?

The Muniellos Forest is an ancient and mythological oak forest, approximately 500 million years old, covering over 2,000 hectares. It's highly valued for its semi-virgin state and rich biodiversity. Due to its ecological sensitivity, access is restricted to only 20 people per day, requiring prior authorization. Somiedo Natural Park, a Biosphere Reserve, also offers pristine nature with impressive lakes and traditional 'brañas' (thatched-roof cabins).

Are there any natural monuments with waterfalls in Asturias?

Yes, the Picos de Europa National Park features diverse natural areas including rivers and waterfalls. For dedicated waterfall experiences, you can explore routes like the Villamayor - El Chorrón - La Cueva Trail or the Oneta Waterfalls loop from Oneta. You can find more details on these and other waterfall hikes in the Waterfall hikes in Asturias guide.

What outdoor activities can I do near the natural monuments?

The natural monuments in Asturias are excellent starting points for various outdoor activities. You can enjoy cycling on routes like the Lagos de Covadonga Trail or the Luanco - Cabo Peñas Cyclotourist Loop, detailed in the Cycling in Asturias guide. For hikers, there are mountain trails such as those around Bulnes Village or Peña Ubiña, which you can explore in the Mountain Hikes in Asturias guide.

What is the best time to visit the natural monuments in Asturias?

The best time to visit largely depends on the type of experience you seek. Spring offers lush greenery and fewer crowds, especially around places like Lake Ercina. Summer is popular for coastal areas and higher mountain trails, though some popular spots like the Covadonga Lakes may have car access limitations due to high visitor numbers. Autumn brings beautiful fall colors to the forests, while winter can offer unique snowy landscapes in the mountains, though access might be more challenging.

Are there any natural monuments that offer spectacular viewpoints?

Absolutely. The Queen's Viewpoint provides expansive vistas. The Cabo Peñas Lighthouse, situated on a prominent plateau, offers dramatic coastal views 100 meters above sea level. The Cares Gorge also provides breathtaking views as you traverse the trail carved into the mountainside.

Can I find natural monuments that are less crowded?

While popular sites can get busy, some natural monuments offer a more tranquil experience. The Muniellos Forest, for example, has restricted access to preserve its ecosystem, ensuring a less crowded visit if you secure a permit. Somiedo Natural Park, though a Biosphere Reserve, is known for its pristine and untouched natural environment, offering a sense of solitude away from the more frequented tourist spots.

What kind of wildlife can I spot in Asturias' natural monuments?

Asturias is rich in biodiversity. In areas like Somiedo Natural Park, you might spot brown bears, wolves, and various bird species. The Picos de Europa National Park is home to chamois, deer, and a wide array of raptors. Coastal areas, particularly around La Deva Island near Playón de Bayas, are crucial enclaves for numerous bird species. The ancient Muniellos Forest also supports a rich diversity of flora and fauna.

Are there any gorges or canyons suitable for hiking?

Asturias is renowned for its gorges. The Ruta del Cares, particularly the first 6 kilometers from Cain, offers spectacular views within a rocky gap over 2,000 meters deep. Another popular option is the Desfiladero de las Xanas, a singular and beautiful geological formation with a scenic route winding through hazel, ash, linden, and maple trees.

What do visitors enjoy most about the natural monuments in Asturias?

Visitors frequently highlight the spectacular views and the immersive natural experience. The Ruta del Cares is praised for its 'nature in its full splendor'. The Arenillas Blowholes are described as an 'impressive natural spectacle' with sounds like a 'breathing dragon'. The overall diversity, from mountain lakes to dramatic coastlines, is also a major draw.

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Find even more amazing natural monuments in Asturias by checking out the top Highlights region by region:

GijonCangas De NarceaBelmonte De MirandaOviedoMieresCangas De OnisGradoLuarcaLlanes

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