Agrio River – Widest Area – Abandoned Tunnel loop from Nerva
Agrio River – Widest Area – Abandoned Tunnel loop from Nerva
8
riders
Agrio River – Widest Area – Abandoned Tunnel loop from Nerva
05:42
63.5km
1,090m
Mountain biking
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: April 30, 2026
Waypoints
Start point
Bus stop
Get Directions
8.98 km
Old Peña de Hierro Railway
Highlight • Cycleway
29.8 km
Agrio River – Widest Area
Highlight • River
Translated by Google •
Tip by
43.3 km
Castillo de las Guardas Reserve
Highlight • Structure
Translated by Google •
Tip by
48.3 km
Abandoned Tunnel
Highlight • Structure
54.8 km
Stone Tunnel
Highlight • Structure
55.1 km
Viaduct
Highlight • Bridge
63.5 km
End point
Bus stop
Way Types & Surfaces
Way Types
48.2 km
10.7 km
3.05 km
1.65 km
Surfaces
46.3 km
10.7 km
4.92 km
1.63 km
Sign up to see more specific route details
Sign up for free
Elevation
Highest point (510 m)
Lowest point (240 m)
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Tuesday 12 May
22°C
9°C
26 %
Additional weather tips
Max wind speed: 14.0 km/h
to get more detailed weather forecasts along your route
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.