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Castro Urdiales – Valverde Tunnel loop from Castro-Urdiales

Routes

Bike touring routes & trails

Castro Urdiales – Valverde Tunnel loop from Castro-Urdiales

Moderate

5.0

(2)

riders

Castro Urdiales – Valverde Tunnel loop from Castro-Urdiales

01:30

22.3km

270m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 13, 2026

Tips

Includes a segment in which cycling is not permitted

After 1.74 km for 74 m

Waypoints

Start point

Bus stop

Get Directions

199 m

Pilgrims' Hostel

Highlight • Rest Area

But here too we were rudely refused, because it was full.

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Tip by

1.75 km

Church of Saint Mary of the Assumption (Castro Urdiales)

Highlight • Religious Site

The Church of Santa María de la Asunción in the town and municipality of Castro-Urdiales (Spain), locally known as the Cathedral of Santa María (although not a cathedral), is a …

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2.05 km

Castro Urdiales

Highlight • Settlement

Castro Urdiales is a Cantabrian fishing town, next to Euskadi, between sea and hills. It is full of history and among its monuments, the church of Santa María and the …

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4.54 km

Bosque de Valverde

Forest

4.95 km

Valverde Tunnel

Highlight • Structure

Incredible path for pedestrians and cyclists (with one lane for each direction) along the old train route. It is 397 meters long and takes two minutes or less to cycle through.

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6.98 km

Public pilgrims' hostel

Highlight • Mountain Hut

alberguescaminosantiago.com/camino-del-norte/albergues/cantabria/albergue-de-peregrinos-de-santullan-cantabria-camino-del-norte

Super albergue with friendly owners!

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7.03 km

Church of San Julián de Santullán

Highlight • Religious Site

The church of San Julián is from the beginning of the s. XVI. Several reforms have been carried out, although it keeps its old Gothic layout. Inside we can see …

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11.7 km

Puente de los Vados

Highlight • Bridge

Beautiful section of the Via verde Castro - Traslaviña

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18.2 km

Valverde Tunnel

Highlight (Segment) • Structure

A 400-meter tunnel that connects Mioño with Castro Urdiales, crossing the slopes of the Cueto hill. It is used by both pedestrians and cyclists. From Castro Urdiales to Mioño there …

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22.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

10.8 km

3.48 km

2.99 km

1.85 km

1.73 km

1.47 km

Surfaces

16.7 km

2.46 km

2.02 km

941 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (140 m)

Lowest point (0 m)

Weather

Wednesday 27 May

30°C

18°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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Castro Urdiales – Valverde Tunnel loop from Castro-Urdiales

Pilgrims' Hostel

Church of Saint Mary of the Assumption (Castro Urdiales)

Castro Urdiales

Valverde Tunnel

Public pilgrims' hostel

Church of San Julián de Santullán

Puente de los Vados

Valverde Tunnel

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