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Alex Cottrell planned a bike ride
July 31, 2021
Grenofen tunnel – Gem bridge over River Walkham Loop from Tavistock
Easy
00:41
8.51km
12.6km/h
140m
140m
Overview
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
Waypoints
A
Start point
Get Directions
1
2.39 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
2
5.28 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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B
8.51 km
End point
Way Types & Surfaces
Way Types
4.18 km
2.99 km
1.31 km
Surfaces
4.95 km
2.99 km
542 m
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Route Details
Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.
Highest point (140 m)
Lowest point (80 m)
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Weather
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