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Plym Valley Trail – Shaugh Tunnel loop from Plympton

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Bike touring routes & trails

Plym Valley Trail – Shaugh Tunnel loop from Plympton

Hard

4.6

(24)

291

riders

Plym Valley Trail – Shaugh Tunnel loop from Plympton

05:56

89.7km

1,010m

Cycling

Hard bike ride. Very 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: May 28, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Dartmoor National Park

Waypoints

Start point

Parking

Get Directions

3.30 km

Viewpoint

3.56 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 city centre. The trail leads past dramatic industrial ruins, towering cliff faces and across impressive viaducts. The route runs a total of 10 miles (16 km) from Dartmoor to Plymouth. For more information, visit: nationaltrust.org.uk/plymbridge-woods-and-plym-valley/trails/plymbridge-woods-family-cycle-trail

Tip by

8.45 km

Shaugh Tunnel

Highlight • Structure

The Grenofen tunnel is a 374-yard (341 m) tunnel that was built by Brunel in the mid-1850s for the South Devon & Tavistock Railway. It is located in Grenofen, a hamlet about 2 miles south of Tavistock on the A386 at the southwestern edge of Dartmoor National Park. The tunnel was part of a railway line that connected Plymouth with Tavistock and Launceston, but it closed to services about 50 years ago.
Today, the tunnel forms part of the Tavistock to Plymouth cycle route, which is also known as the Drake’s Trail. The tunnel is lit and open for cyclists and pedestrians. It offers a fun and scenic way to explore the park and its history. The cycle route also includes the Gem Bridge, a £2m viaduct that crosses the River Walkham, just south of Grenofen.
The Grenofen tunnel is a great example of how an old railway structure can be reused and enjoyed by the public. It is also a testament to Brunel’s engineering skills and vision.

Tip by

15.1 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 Devon's recreational route network runs through superb countryside with attractive scenery along the western edge of Dartmoor, along with much historical and heritage interest."

If you're interested, further information is available at =>> drakestrail.co.uk

Translated by Google •

Tip by

19.2 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 line closed, it sat abandoned for decades before being resurfaced and opened as a foot and cycle path.

The tunnel is lit and is a fun addition to an already amazing route. It has a tendency to drip on the heads of those who use it though!

Tip by

44.4 km

Lake Viaduct

Highlight • Bridge

One of two viaducts on the Granite Way, Lake Viaduct is an impressive granite span with nine arches. Built for the now-closed railway reaching from Plymouth to Okehampton, the viaduct was built in the late 1800s.

Today, the railway is gone and the viaduct resurfaced, forming a foot and cycle path on the Granite Way and the Dartmoor Way. It’s a wonderful place to stop, with benches at intervals and views east to the rugged moor and west to flatter, patchwork landscapes.

Tip by

44.7 km

Meldon Viaduct on the Granite Way

Highlight • Bridge

Good view of the dam at meldon reservoir

Tip by

45.2 km

Dartmoor National Park

Highlight • Lake

Meandering river valleys, expansive moorland, ancient history, and green countryside where wild ponies roam free – Dartmoor is a unique place to cycle. Covering a 368 sq mi (953 sq km) area, the vast moorlands and granite hilltops are just waiting to be discovered. You can find more information about visiting the park, here: dartmoor.gov.uk

Tip by

71.0 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 Isambard Kingdom Brunel, it was demolished after the closure of the railway.

It's a wonderful experience to cycle over the bridge, especially in autumn when the trees are painted red.

Tip by

87.0 km

Plymbridge Woods

Forest

89.7 km

End point

Parking

Way Types & Surfaces

Way Types

47.9 km

24.7 km

7.44 km

6.63 km

2.54 km

367 m

266 m

Surfaces

71.2 km

10.3 km

8.28 km

< 100 m

Elevation

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

Weather

Thursday 9 July

29°C

17°C

0 %

Additional weather tips

Max wind speed: 22.0 km/h

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Plym Valley Trail – Shaugh Tunnel loop from Plympton

Plym Valley Trail

Shaugh Tunnel

Drake's Trail, Dartmoor National Park

Grenofen Tunnel

Lake Viaduct

Meldon Viaduct on the Granite Way

Dartmoor National Park

Gem Bridge

Nearby routes

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