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Road cycling routes
United Kingdom
England
South West England
Devon
West Devon
Tavistock

Grenofen Tunnel – Plym Valley Trail loop from Tavistock

Moderate

4.8

(4)

207

riders

Grenofen Tunnel – Plym Valley Trail loop from Tavistock

02:30

41.9km

500m

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 right next to a parking lot.

Last updated: February 27, 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 5.27 km for 883 m

After 6.29 km for 748 m

After 13.6 km for 158 m

After 29.2 km for 158 m

After 35.8 km for 748 m

After 36.7 km for 883 m

Waypoints

A

Start point

Parking

Get Directions

1

667 m

Abbey Bridge and Weir

Highlight • Historical Site

This gorgeous 18th-century bridge is one of several in the heart of Tavistock but is perhaps the prettiest. The River Tavy rushes underneath to pass down the weir, creating a …

Tip by

2

4.28 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

3

4.34 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

4

9.12 km

Bread and Moor Coffee Shop

Highlight • Cafe

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

Tip by

5

14.0 km

Gate on the Plym Valley Trail

Highlight • Cycleway

Great gate this one! 2 single gates dual direction with large lever latch. Solid latch system feels, great to tug on and throw yourself through. The kinetic self close on …

Tip by

6

21.4 km

Plymbridge Valley Cycle Path

Highlight • Cycleway

First mile North has many dog walkers and children. Caution is needed as many forget it is a shared use path.
During summer months within first viaduct there is a …

Tip by

22.5 km

Viewpoint

Viewpoint

8

22.8 km

Plym Valley Trail

Highlight • Trail

The Plym Valley Trail is a pretty stretch of the Devon Coast to Coast cycle ride. The traffic-free route runs through National Trust-owned woodland along the River Plym into Plymouth …

Tip by

9

37.6 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

B

41.9 km

End point

Parking

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Way Types & Surfaces

Way Types

25.1 km

11.8 km

3.47 km

1.50 km

< 100 m

Surfaces

36.9 km

3.75 km

949 m

312 m

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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 (190 m)

Lowest point (20 m)

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Weather

Powered by Foreca

Tuesday 19 May

17°C

9°C

51 %

Additional weather tips

Max wind speed: 25.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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