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Mountain biking trails

Scottish Borders

Twin Law Cairns – Watch Water Reservoir loop from Longformacus

Mountain biking trails

Scottish Borders

Twin Law Cairns – Watch Water Reservoir loop from Longformacus

Moderate

4.7

(3)

8

riders

Twin Law Cairns – Watch Water Reservoir loop from Longformacus

03:51

46.0km

830m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Last updated: August 18, 2026

Waypoints

A

Start point

1.48 km

Watch Plantation

Forest

2

6.43 km

Gravel Road Over the Moor

Highlight • Trail

not to gravelly, fine on an (adventurous road bike)

Tip by

3

9.02 km

Twin Law Cairns

Highlight • Historical Site

Twin Law is a summit in the Lammermuir Hills which affords extensive views over the rugged landscape.

On the summit you find two large cairns, the Twin Law Cairns. According …

Tip by

4

29.1 km

Fallago Rig Wind Farm

Highlight • Other

Fallago Rig Wind Farm, located in the Lammermuir Hills, is typically closed to the public. However, during the annual Scottish Borders Doors Open Days, usually held in early September, the …

Tip by

5

41.6 km

Watch Water Reservoir

Highlight • River

Watch Water Reservoir is a man-made reservoir that opened in 1954. Fed by the Watch Water river, the reservoir is held by an earth bank dam. It is a popular …

Tip by

6

45.7 km

Longformacus Stone Bridge

Highlight • Bridge

Longformarcus is a pretty Borders town with the focal point being a stone bridge. It's a great spot to stop for a breather

Tip by

B

46.0 km

End point

Way Types & Surfaces

Way Types

20.6 km

13.5 km

11.9 km

< 100 m

Surfaces

16.6 km

13.1 km

7.31 km

4.78 km

2.79 km

1.48 km

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Elevation

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

Highest point (460 m)

Lowest point (210 m)

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Weather

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Tuesday 20 October

12°C

6°C

-- %

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