The tunnel is darker than the photo suggests and the wall lights mostly illuminate legs and wheels at best! It is a fun and great experience though. The Wye Vale Greenway ride is an easy 12 mile return journey from Chepstow to Tintern - Tintern has some decent pubs. Be aware of the tunnel’s strict opening and closing times, and dates. For example it shuts completely from the end of September for 6 months every year. The (less than) 30 bats are well catered for!

Les Tocknell

January 28, 2022

Cycling

Please note that the tunnel is closed until April and the bridge to Tintern is closed for 6 months from April 2022

Adie

January 3, 2023

Hiking

A very cool and unusual experience. This disused railway tunnel is home to a small colony of bats.

You can’t use any lights while walking through the tunnel due to the bats but there is low-level lighting installed. With just over 1km in length to walk, your eyes will adapt!

Before planning a walk here be aware of the tunnel’s strict opening and closing times, and dates. It shuts completely from the end of September for 6 months every year.

Routes here

Best routes to Tidenham Tunnel

riders

1. Monmouth and Tintern loop from Chepstow – Wye Valley

59.7km

04:23

1,110m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Elevation 60 m

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Today

Sunday 15 February

9°C

2°C

95 %

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Max wind speed: 17.0 km/h

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Location: Tidenham, Forest Of Dean, Gloucestershire, South West England, England, United Kingdom

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Tidenham Tunnel

1. Monmouth and Tintern loop from Chepstow – Wye Valley

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