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Spain
Galicia
Lugo
Os Ancares
Negueira De Muñiz

Bustelín Gorge Loop Trail

Hard

Bustelín Gorge Loop Trail

03:54

36.5km

1,260m

Mountain biking

Tackle the difficult 22.7-mile (36.5 km) Asturias and Galicia circular mountain bike route through the scenic Navia river valley.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Reserva da Biosfera Río Eo, Oscos e Terras de Burón

Waypoints

A

Start point

Parking

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1

1.55 km

View of the Navia River

Highlight • Viewpoint

Viewpoint of the Navia river towards the Salime reservoir and the Sierra de Asturias.

Translated by Google •

Tip by

2

32.3 km

View of the Navia River from Arexo

Highlight • Viewpoint

A viewpoint near the small mountain town of Arexo on the other side of the Navia river from the Galician side to Asturias.

Translated by Google •

Tip by

B

36.5 km

End point

Parking

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Way Types & Surfaces

Way Types

17.6 km

11.8 km

6.96 km

293 m

Surfaces

14.5 km

9.71 km

8.11 km

4.21 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (860 m)

Lowest point (220 m)

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Weather

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Wednesday 1 July

29°C

13°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the circular route through the Navia river valley?

This is a difficult mountain bike ride, classified as a "Hard mountain bike ride." It requires very good fitness and advanced riding skills. Expect technical sections, some of which may require dismounting and pushing your bike, aligning with approximately STS S3 - S6 on the Single Track Scale.

What is the terrain like on this mountain bike route?

The terrain is diverse and often rugged. You'll encounter rocky trails, steep climbs, and varying surfaces. Given that Asturias and Galicia are part of "Green Spain," be prepared for potentially muddy sections, especially after rain. Good adherence is essential for the slopes.

Is this trail suitable for beginners or families?

No, this route is not suitable for beginners or families. It is a challenging trail designed for advanced riders with very good fitness and technical skills. Some sections are demanding enough to require pushing your bike.

What are the best times of year to ride this trail?

The best time to ride this trail is generally during the drier months to avoid excessive mud, though specific weather conditions can vary. Asturias and Galicia can experience wet weather, so always check the forecast before you go. Spring and early autumn often offer pleasant temperatures and more stable conditions.

Where can I park to access the Navia river valley circular route?

While specific parking details for the trailhead are not provided, you would typically look for parking in a nearby village or designated area that serves as a starting point for the circular route. It's advisable to check local maps or komoot's route planner for the most convenient access points.

Do I need any permits or have to pay entrance fees for this mountain bike trail?

Generally, mountain biking on trails in this region does not require specific permits or entrance fees. However, always respect local regulations and private property. There are no indications from our sources that this particular route requires special permits.

What kind of scenery can I expect along the route?

You can expect breathtaking landscapes throughout the ride. The route traverses green valleys, offers spectacular views of the Navia River, and passes through lush countryside. You'll also see semi-abandoned villages in the mountains, providing glimpses into traditional life. Don't miss the View of the Navia River and the View of the Navia River from Arexo.

Are there any opportunities for wild swimming along the Navia River?

Yes, the Navia River is known to have natural pools suitable for swimming. After a challenging ride, these spots can offer a refreshing break. It's a great way to cool down and enjoy the riverine beauty of the area.

Does this circular route intersect with other trails?

Yes, the route incorporates sections of other trails. You will ride along parts of the Desfiladero de Bustelín (30% of the route), [CIMA LU05] Pedras Apañadas (4%), Pista da Ferraría da Cuíña (9%), and Ponte de Río de Porcos (2%).

Is the Asturias and Galicia - circular route through the Navia river valley dog-friendly?

While many outdoor trails in Spain are dog-friendly, specific regulations for this particular route are not detailed. Given the challenging nature of the terrain and the presence of potential wildlife or livestock in rural areas, it's always best to keep dogs on a leash and ensure they are fit enough for a difficult mountain bike ride.

What should I bring for this mountain bike ride?

Given the route's difficulty and length, you should bring essential mountain biking gear, including a well-maintained bike, helmet, appropriate protective clothing, and plenty of water and snacks. Due to the technical sections, consider bringing a repair kit and basic first aid. Weather can change, so layers are recommended.

Nearby routes

Hard

22

Alto de Pedras Apañadas desde Fonsagrada — circular por la Reserva de Biosfera Río Eo y Terras de Burón

06:34h

64.5km

1,910m

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