Grenofen Tunnel – Gem Bridge loop from Bere Alston

Grenofen Tunnel – Gem Bridge loop from Bere Alston

Moderate

4.0

(1)

riders

Grenofen Tunnel – Gem Bridge loop from Bere Alston

02:41

36.5km

640m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: September 23, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 11.5 km for 748 m

After 12.4 km for 883 m

After 14.8 km for 583 m

After 20.6 km for 583 m

After 22.7 km for 883 m

After 23.7 km for 748 m

Waypoints

Start point

Train Station

Get Directions

2.24 km

Denham Bridge and Ridge Climb

Highlight (Segment) • Climb

Lowest gear possible, very steep proper Devonian hill climb

Tip by

9.45 km

Bread and Moor Coffee Shop

Highlight • Cafe

Brilliant swirls, but perhaps a little small so not ideal if super busy weekend!

Tip by

12.0 km

Viewpoint

13.4 km

Viaducts, tunnels, and historic water channels

Highlight • Cycleway

All these features make for an enjoyable route

Tip by

13.7 km

Grenofen Tunnel on Drake's Trail

Highlight (Segment) • Trail

A network of 21 miles (33 km) cycling and hiking paths, Drake's Trail leads from Tavistock to Plymouth. The Trail passes through quaint countryside, river valleys, peaceful woodland, and vast …

Tip by

21.3 km

Grenofen Tunnel

Highlight • Structure

Great walk, the footpath from the top of brook lane/Rix hill is not well used, just follow the hedgeline!

Tip by

21.7 km

Tunnel in Dartmoor National Park

Highlight • Rest Area

This is a great attraction and great with the kids but don't go in to hide from the rain, it leaks, a lot after heavy rain

Tip by

21.7 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 …

Tip by

22.6 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 …

Tip by

36.5 km

End point

Train Station

Way Types & Surfaces

Way Types