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Hiking trails & Routes

Castile and León

Fresneda De La Sierra Tirón

Pozo Negro Lagoon – Chapatales Waterfall loop from Refugio Forestal Tres Aguas

Hiking trails & Routes

Castile and León

Fresneda De La Sierra Tirón

Pozo Negro Lagoon – Chapatales Waterfall loop from Refugio Forestal Tres Aguas

Hard

4.0

(1)

23

hikers

Pozo Negro Lagoon – Chapatales Waterfall loop from Refugio Forestal Tres Aguas

05:59

16.4km

1,010m

Hiking

Hard hike. Very good fitness required. Easily walkable paths.

Last updated: August 23, 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

1

6 m

Tres Aguas Refuge

Highlight • Mountain Hut

2

17 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

3.39 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

5.60 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

7.01 km

Otero

Highlight • Summit

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

Translated by Google •

Tip by

6

8.53 km

Poborlaza

Highlight • Summit

Less impressive than the previous ones, but also spectacular.

Translated by Google •

Tip by

7

13.2 km

Zarzabala Yew

Highlight • Natural Monument

Yew of enormous dimensions

Translated by Google •

Tip by

8

15.2 km

Chapatales Waterfall

Highlight • Waterfall

Beautiful corner in the lower area of the Zarzabala stream.

Translated by Google •

Tip by

B

16.4 km

End point

Way Types & Surfaces

Way Types

8.04 km

5.20 km

3.19 km

Surfaces

7.62 km

5.62 km

3.19 km

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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

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Friday 6 November

11°C

1°C

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