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Routes
Hiking trails & Routes
Spain
Castile and León
Burgos
Demanda
Fresneda De La Sierra Tirón

RefugioTresAguas – Pozo Negro Ravine loop from Refugio Forestal Tres Aguas

Routes
Hiking trails & Routes
Spain
Castile and León
Burgos
Demanda
Fresneda De La Sierra Tirón

RefugioTresAguas – Pozo Negro Ravine loop from Refugio Forestal Tres Aguas

Hard

5.0

(2)

14

hikers

RefugioTresAguas – Pozo Negro Ravine loop from Refugio Forestal Tres Aguas

05:15

14.1km

910m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Last updated: July 15, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Espacio Natural de la Sierra de la Demanda

Waypoints

A

Start point

Get Directions

1

2 m

Tres Aguas Refuge

Highlight • Mountain Hut

2

13 m

RefugioTresAguas

Highlight • Mountain Hut

Small refuge at the beginning of the route to Pozo Negro. You can get there by car and park right there.

Translated by Google •

Tip by

3

3.38 km

Pozo Negro Ravine

Highlight (Segment) • Gorge

A climb parallel to the river, which must be crossed four times, twice carrying logs. A delightful hike, although with some exposed and slippery slopes.

Translated by Google •

Tip by

4

5.59 km

Pozo Negro Lagoon

Highlight • Lake

Pozo Negro is a glacial lake located at an altitude of 1,760 meters in the Sierra de la Demanda, within the Fresneda area of the Sierra Tirón. It is an …

Translated by Google •

Tip by

5

7.00 km

Otero

Highlight • Summit

For very little it exceeds 2000 meters. And so are the views!

Translated by Google •

Tip by

B

14.1 km

End point

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Way Types & Surfaces

Way Types

7.58 km

6.30 km

271 m

Surfaces

6.90 km

6.30 km

949 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 (2,030 m)

Lowest point (1,110 m)

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Weather

Powered by Foreca

Sunday 19 July

29°C

14°C

5 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

April 10, 2022,Burgos-FresnedaDeLaSierraTiron:PozoNegro(desdeRefugioTresAguas)
- Garmin data: 5:20h total time, 730m total difference in altitude.

- Video of the relief route: relive.cc/view/v1vj7kZd8JO

- NOTE: pleasant walk, first along a track and then along a well-marked path, to the glacial lagoon of Pozo Negro. Surrounding the lagoon and eating the sandwich on the grass that surrounds it is a real reward. The drawbacks are three, …

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