Glencorse Reservoir – Glencorse Reservoir Island loop from Castlelaw

Running trails & routes

United Kingdom

Scotland

South Scotland

Penicuik And District

Glencorse Reservoir – Glencorse Reservoir Island loop from Castlelaw

Moderate

runners

Glencorse Reservoir – Glencorse Reservoir Island loop from Castlelaw

00:42

6.25km

80m

Running

Moderate run. 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 10, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Pentland Hills Regional Park

Waypoints

Start point

Parking

Get Directions

48 m

Cows in Pentland Hills Regional Park

Highlight • Natural

2.19 km

Glencorse Reservoir

Highlight • Lake

Nestled amongst the Pentland Hills, Glencorse Reservoir is incredibly picturesque. It was built between 1820 and 1824 to provide water to mills in the area and supply drinking water to …

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2.21 km

Glencorse Reservoir Lakeside Road

Highlight (Segment) • Trail

The Glencorse Reservoir is held back by an earth dam built in the early 1820's. The water was used to power the mills downstream and provide drinking water to Edinburgh …

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4.80 km

Glencorse Reservoir Island

Highlight • Viewpoint

Extremely underrated spot I didn't even know existed! I recommend taking a picture of the map near the Flotterstone Inn car park in case you want to go slightly off route!

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4.86 km

It can get quite technical in certain parts of the trail and perhaps more suitable for mountain bikers in certain segments. But if you are going slow on gravel bike, you should be fine (that's what I did).

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