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Puerto de Las Muñecas – Valverde Tunnel loop from Castro-Urdiales

Puerto de Las Muñecas – Valverde Tunnel loop from Castro-Urdiales

Hard

4.0

(1)

riders

Puerto de Las Muñecas – Valverde Tunnel loop from Castro-Urdiales

02:53

38.8km

890m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. 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

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2.35 km

Brazomar Beach

Highlight • Beach

Brazomar beach is very peculiar because it has fine golden sand. Located on the eastern coast of Cantabria, in Castro-Urdiales, it is one of the sandy areas most frequented by locals and tourists.

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4.55 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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17.1 km

Old Castro-Urdiales Railway Tunnel

Highlight • Structure

The old railway tunnel that linked Castro-Urdiales and Translaviña was an enormous project in its day.

Today it serves so that you can enjoy a spectacular tour among nature on wheels.

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23.0 km

Old Tunnel

Highlight • Structure

25.8 km

Puerto de Las Muñecas

Highlight • Mountain Pass

It has a length of 6.22 km, a drop of 314 m and an average gradient of 5.05%.

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37.1 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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37.2 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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37.8 km

Bosque de Valverde

Forest

38.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

17.4 km

9.75 km

5.53 km

4.41 km

1.53 km

126 m

Surfaces

20.8 km

11.6 km

5.72 km

616 m

Elevation

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

Highest point (630 m)

Lowest point (0 m)

Weather

Tuesday 19 May

21°C

14°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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Puerto de Las Muñecas – Valverde Tunnel loop from Castro-Urdiales

Brazomar Beach

Church of San Julián de Santullán

Old Castro-Urdiales Railway Tunnel

Old Tunnel

Puerto de Las Muñecas

Valverde Tunnel

Valverde Tunnel

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