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Routes
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United Kingdom
England
South West England
Devon
West Devon
Tavistock

Grenofen Tunnel – Gem Bridge loop from Tavistock

Routes
Running trails & routes
United Kingdom
England
South West England
Devon
West Devon
Tavistock

Grenofen Tunnel – Gem Bridge loop from Tavistock

Moderate

4.0

(1)

28

runners

Grenofen Tunnel – Gem Bridge loop from Tavistock

00:57

8.75km

150m

Running

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

Last updated: April 3, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Dartmoor National Park

Tamar Valley National Landscape

Waypoints

A

Start point

Bus stop

Get Directions

1

2.09 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

2

2.40 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

2.47 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

3.31 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

5

4.29 km

River Markham

Highlight • Natural

6

5.30 km

Grenofen Bridge

Highlight • Viewpoint

Lovely spot on the river

Tip by

7

5.77 km

Gem Bridge and Gem Mine

Highlight • Bridge

8

5.79 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 …

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B

8.75 km

End point

Bus stop

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Way Types & Surfaces

Way Types

6.87 km

1.22 km

461 m

126 m

< 100 m

Surfaces

2.89 km

2.03 km

1.99 km

1.29 km

461 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 (130 m)

Lowest point (70 m)

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Weather

Powered by Foreca

Thursday 7 May

17°C

8°C

11 %

Additional weather tips

Max wind speed: 12.0 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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