Gem Bridge – Grenofen Tunnel loop from Buckland Monachorum

Bike touring routes & trails

Gem Bridge – Grenofen Tunnel loop from Buckland Monachorum

Moderate

5.0

(4)

riders

Gem Bridge – Grenofen Tunnel loop from Buckland Monachorum

01:51

26.2km

420m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: September 9, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Tamar Valley National Landscape

Dartmoor National Park

Waypoints

Start point

Parking

Get Directions

1.88 km

North Plantation

Forest

4.32 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.

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5.35 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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6.19 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 …

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6.56 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!

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18.3 km

Width Limit at Bridge

Highlight • Bridge

22.3 km

Warrens Bakery

Highlight • Cafe

Nice pastry and a drink to set you up on the way back!

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22.7 km

Bread and Moor Bakery

Highlight • Cafe

A lovely bakery and cafe in Yelverton, this makes for an ideal cake and coffee stop if you’re passing by on the Drake’s Trail/Dartmoor Way. The bakery is particularly well …

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25.2 km