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South West England

Gem Bridge – Grenofen Tunnel loop from Tavistock

South West England

Gem Bridge – Grenofen Tunnel loop from Tavistock

Moderate

5.0

(2)

5

riders

Gem Bridge – Grenofen Tunnel loop from Tavistock

01:19

19.3km

350m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 26, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 6.21 km for 311 m

Waypoints

A

Start point

Bus stop

Get Directions

1

4.95 km

Double Waters River Crossing

Highlight • River

The River Tavy and the River Walkham meet here at Double Waters.

This peaceful, woodland setting is popular with wild swimmers.

Tip by

2

10.5 km

Bread and Moor Coffee Shop

Highlight • Cafe

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

Tip by

3

11.2 km

Drake's Trail, Dartmoor National Park

Highlight • Trail

The official website promotes the DRAKE'S TRAIL with the words, "Drake's Trail in West Devon is a 21-mile cycling and walking route linking Tavistock with Plymouth. This important part of …

Translated by Google •

Tip by

4

13.4 km

Magpie Viaduct

Highlight • Bridge

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.

Tip by

5

14.4 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

6

15.3 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

7

15.4 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

8

15.7 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

B

19.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.33 km

6.09 km

3.45 km

1.92 km

1.43 km

< 100 m

Surfaces

7.46 km

6.44 km

5.37 km

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Elevation

Elevation

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

Highest point (200 m)

Lowest point (50 m)

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Weather

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Monday 31 August

18°C

9°C

-- %

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