Castro Urdiales to Traslaviña greenway

Stands out for

  • • Mining heritage: former train route that carried iron ore to the Mioño loading dock
  • • 7km compacted surface with no steep slopes / suitable for families and bikes
  • • Walk through restored tunnels from the old railway
  • • Free access with no booking or special equipment needed
  • • Can be done complete (14km return) or one-way with transport back
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Description

The Castro-Traslaviña greenway follows the route of the old mining train that carried iron ore from inland mines to the Mioño loading dock. The 7km path runs on compacted gravel and asphalt, with gentle slopes suitable for families. It connects the Castro Urdiales town centre with the inland valley, passing through restored tunnels and old rail stops.

Key Info

Difficulty

Easy

Best season

Weather dependent

Experience type

On your own

Kid-friendly

Practical Guide

Everything you need to know about Castro Urdiales to Traslaviña greenway

Location

How to get there

By car Public transport

In this area

Castro UrdialesMunicipio

Options

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7km Castro-Traslaviña Greenway Route

Free route along the old mining railway with restored tunnels. Suitable for families and bikes

Duration 2 h
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Duration: 1.5-2 horas a pie (solo ida)
Description

7km route along the old mining railway between Castro Urdiales and Traslaviña. Compacted gravel and asphalt surface / gentle slope / restored tunnels. Can be walked or cycled. Full return: 14km.

Included Services
  • Free open access
  • Signposted 7km route
Languages:
🇪🇸 Español
Meeting point: Urdiales neighbourhood - Castro Urdiales (or Traslaviña in reverse)
Free

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Frequently Asked Questions

Get answers about Castro Urdiales to Traslaviña greenway

Yes, it is freely accessible year-round.
Yes, the surface is prepared for bikes. It is a popular e-bike route.
About 1.5-2 hours on foot (one way) or 45 minutes by bike.
Yes, the slope is very gentle and there is no motor traffic.
From the Urdiales neighbourhood in Castro or from Traslaviña. Both ends are accessible by car.