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Routes
Hiking trails & Routes
Spain
Castile and León
León
Bierzo
Ponferrada

Montes Castro and Senda de Bas Loop

Moderate

Montes Castro and Senda de Bas Loop

04:50

20.1km

620m

Hiking

Hike the Montes Castro and Senda de Bas Loop, a moderate 12.5-mile trail with 2029 feet of elevation gain and stunning viewpoints.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

1.86 km

Pedestrian Bridge Over the Sil River

Highlight • Bridge

A pedestrian bridge over the Sil River that connects the Senda de Bas and the Senda Romeros on both sides of the river landscape. Link with The Light Factory and the Energy Museum.

Translated by Google •

Tip by

2

4.85 km

Climb the hill above the Sil and Ponferrada River for an incredible view of the surrounding landscape.

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Tip by

3

8.67 km

Enjoy a panoramic view of Ponferrada and the landscape surrounding the Bárcena Reservoir from this peak at 800 meters above sea level.

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Tip by

4

13.3 km

Bárcena Dam on the Sil River

Highlight • Monument

The Bárcena reservoir is a water dam located in the course of the Sil River, between Santa Marina del Sil and Ponferrada, in the Spanish region of El Bierzo. For …

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Tip by

5

15.8 km

Senda de Bas

Highlight • Trail

The Senda de Bas is a hiking route in Ponferrada, León, ideal for enjoying nature and the outdoors. This circular trail combines paths and trails through a beautiful natural landscape, …

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Tip by

B

20.1 km

End point

Parking

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Way Types & Surfaces

Way Types

9.78 km

6.04 km

3.08 km

1.06 km

133 m

Surfaces

12.7 km

3.34 km

3.08 km

956 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 (780 m)

Lowest point (520 m)

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Weather

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Thursday 9 July

35°C

18°C

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Frequently Asked Questions

How difficult is the Montes Castro and Senda de Bas Loop?

This loop is considered a moderate hike. It requires good fitness and sure-footedness, especially as some sections can be narrow, overgrown, or rocky. While accessible, be prepared for a challenging yet rewarding experience.

What is the terrain like on this trail?

The route is a circular path combining various trails. You'll encounter a beautiful natural environment, including areas around the Sil River with chestnut trees and oaks. Expect some narrow tracks with profuse vegetation and small, stony sections. You might also spot traditional local constructions like 'orreos'.

What notable sights or viewpoints will I encounter on the route?

Along the way, you'll find several points of interest. These include the Pedestrian Bridge Over the Sil River, a View of Ponferrada from Pico del Monte Castro, and a View from the El Castro de San Andrés de Montejos Geodetic Vertex. You'll also pass the Bárcena Dam on the Sil River and hike along the scenic Senda de Bas.

What is the best time of year to hike the Montes Castro and Senda de Bas Loop?

The trail is generally enjoyable during most seasons, but spring and autumn offer the most pleasant temperatures and vibrant scenery. Summer can be warm, and winter might present colder conditions, though specific winter conditions are not detailed in the available information.

Is the Montes Castro and Senda de Bas Loop dog-friendly?

Yes, the trail is generally dog-friendly. However, always ensure your dog is under control, especially in areas with wildlife or other hikers. It's advisable to keep them on a leash.

Do I need a permit or pay an entrance fee for this trail?

Based on available information, there are no specific permits or entrance fees required to hike the Montes Castro and Senda de Bas Loop.

Where can I park for the Montes Castro and Senda de Bas Loop?

Specific parking locations are not detailed, but as a circular route, you can typically find parking near common access points or trailheads in the vicinity of Ponferrada or the Senda de Bas area. Local signage usually indicates designated parking spots for hikers.

Does the Montes Castro and Senda de Bas Loop connect with other trails?

Yes, the route also passes through sections of the Senda de Bas, Camino Olvidado (Cirujales-Cacabelos), Senda de los Romeros, and Camino Francés - 06 León a Cacabelos.

Are there any cafes or accommodation options near the trail?

While specific establishments are not listed, the trail is located near Ponferrada, a larger town where you can find various cafes, restaurants, and accommodation options to suit your needs before or after your hike.

What is the significance of the Senda de Bas?

The Senda de Bas was established in 2018 as a tribute to Bas van de Goor, a former Dutch Olympic volleyball player. He founded a foundation to support people with diabetes through sports, adding a meaningful dimension to the trail that encourages physical activity in nature.

Is public transport available to reach the trailhead?

Information on specific public transport routes directly to the trailhead is not available. However, Ponferrada is a well-connected town, and you may find local bus services that can get you close to the general area of the trail.

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