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Routes
Hiking trails & Routes
Spain
Santander
Cantabria
Reinosa
Reinosa

Carlos III Bridge – Source of the Ebro River loop from Reinosa

Routes
Hiking trails & Routes
Spain
Santander
Cantabria
Reinosa
Reinosa

Carlos III Bridge – Source of the Ebro River loop from Reinosa

Hard

4

hikers

Carlos III Bridge – Source of the Ebro River loop from Reinosa

05:09

18.3km

360m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: November 21, 2025

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Waypoints

A

Start point

Parking

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1

167 m

Carlos III Bridge

Highlight • Bridge

2

250 m

Parish Church of San Sebastián

Highlight • Religious Site

Nice church next to Calle Mayor

Translated by Google •

Tip by

3

402 m

Ebro River

Highlight • River

4

5.32 km

5

5.37 km

IglesiaDeFresno

Highlight • Religious Site

Beautiful picture in the middle of the town.

Translated by Google •

Tip by

6

11.6 km

Source of the Ebro River

Highlight • River

The town of Fontibre is known because the source of the Ebro River, one of the most important in Spain, is located here.

Translated by Google •

Tip by

7

14.0 km

Refugio de La Guariza

Highlight • Mountain Hut

B

18.3 km

End point

Parking

Way Types & Surfaces

Way Types

11.3 km

2.75 km

2.33 km

1.04 km

885 m

Surfaces

8.15 km

6.56 km

1.73 km

1.62 km

183 m

< 100 m

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Elevation

Elevation

Highest point (1,080 m)

Lowest point (850 m)

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Weather

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Wednesday 17 December

10°C

5°C

-- %

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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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