Gem Bridge – Grenofen Tunnel loop from Bere Ferrers

Bike touring routes & trails

Gem Bridge – Grenofen Tunnel loop from Bere Ferrers

Hard

riders

Gem Bridge – Grenofen Tunnel loop from Bere Ferrers

02:17

31.9km

560m

Cycling

Hard bike 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: August 8, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Tamar Valley National Landscape

Dartmoor National Park

Waypoints

Start point

Train Station

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6.80 km

Denham Bridge

Highlight • River

Stone Bridge over the river Tavy, shrouded by the surrounded deciduous woodland.

A popular spot for a swim on a sunny day, with a small pebbled bank underneath.

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8.07 km

Wildside Garden

Highlight • Natural

THE garden by one of its masters: Keith Wiley. Opens twice a month (see website beforehand)

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9.65 km

Tamar Valley Garden

Highlight • Natural

One of the most beautiful gardens I’ve ever seen!

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14.3 km

Viewpoint

14.7 km

Magpie Viaduct was designed by Brunel and originally built in 1859 from granite and timber, then rebuilt in 1902 in Staffordshire brick.

From here you can also enjoy a raised vantage point for views over Dartmoor.

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15.7 km

Gem Bridge

Highlight • Bridge

Gem Bridge towers 78 feet (24 m) above the River Walkham, affording wonderful views over the valley below. Until 1965, the original Walkham Viaduct would have stood here. Designed by …

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16.5 km

Grenofen Tunnel

Highlight • Structure

Part of the Drake’s Trail and the Dartmoor Way, this 374-yard (341 m) tunnel was built by Brunel in the mid-1850s for the South Devon & Tavistock Railway. After the …

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