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Spain
Castile and León
Burgos
Merindades
Valle De Tobalina

Trail along the GR 99 loop from Embalse de Sobrón

Hard

5

riders

Trail along the GR 99 loop from Embalse de Sobrón

02:01

18.9km

610m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 27, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parque Natural Montes Obarenes-San Zadornil

Valderejo-Sobrón-Árcenako mendilerroa BBE-KBE

Waypoints

A

Start point

Parking

Get Directions
1

7.70 km

View of the Ebro River from Mirador de San Martín de Don

Highlight • Viewpoint

The San Martín de Don viewpoint is located on a cliff that is the border between Castilla y León and the Basque Country. From the cliff you can see a …

Translated by Google •

Tip by

2

11.2 km

Trail along the GR 99

Highlight • Trail

This section of the Ebro natural path is a beautiful path through the forest. The path is flanked by pine, oak and boxwood. At some points the vegetation opens up and reveals spectacular views of the limestone cliffs.

Translated by Google •

Tip by

3

16.0 km

B

18.9 km

End point

Parking

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Way Types & Surfaces

Way Types

12.7 km

6.18 km

< 100 m

Surfaces

12.7 km

6.18 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 (1,080 m)

Lowest point (510 m)

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Weather

Powered by Foreca

Saturday 17 October

11°C

4°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Hard

5

Natural Park of Montes Obarenes - San Zadornil — circular from Frías

02:20h

33.1km

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