4
hikers
Carlos III Bridge – Source of the Ebro River loop from Reinosa
05:10
18.4km
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: March 5, 2026
Waypoints
Start point
Parking
Get Directions
167 m
Carlos III Bridge
Highlight • Bridge
250 m
Parish Church of San Sebastián
Highlight • Religious Site
Translated by Google •
Tip by
402 m
Ebro River
Highlight • River
5.32 km
Washhouse and Fountain of Fresno del Río
Highlight • Structure
5.38 km
IglesiaDeFresno
Highlight • Religious Site
Translated by Google •
Tip by
11.7 km
Source of the Ebro River
Highlight • River
Translated by Google •
Tip by
14.0 km
Refugio de La Guariza
Highlight • Mountain Hut
18.4 km
End point
Parking
Way Types & Surfaces
Way Types
12.4 km
2.08 km
1.87 km
1.07 km
883 m
Surfaces
9.72 km
5.90 km
1.37 km
1.08 km
198 m
< 100 m
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Elevation
Highest point (1,080 m)
Lowest point (850 m)
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Weather
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Tuesday 26 May
31°C
11°C
-- %
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.