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Running trails & routes

Glencorse Reservoir Overflow – Threipmuir Reservoir loop from Red Moss of Balerno Wildlife Reserve

Running trails & routes

Glencorse Reservoir Overflow – Threipmuir Reservoir loop from Red Moss of Balerno Wildlife Reserve

Moderate

4.8

(5)

162

runners

Glencorse Reservoir Overflow – Threipmuir Reservoir loop from Red Moss of Balerno Wildlife Reserve

01:05

9.15km

170m

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: April 22, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Pentland Hills Regional Park

Waypoints

A

Start point

Parking

Get Directions

1

96 m

Woodland Path by Threipmuir Reservoir

Highlight (Segment) • Lake

Great path cutting to and from the reservoirs

Tip by

2

727 m

Bavelaw Castle Drive

Highlight (Segment) • Trail

Steep, tree-lined drive up to Bavelaw castle. Reliably car-free. Especially beautiful at dawn.

Tip by

3

5.42 km

Threipmuir to Harlaw Track

Highlight (Segment) • Trail

Pretty steep uphill from Threipmuir to Harlaw. Easy enough to walk up/down.

Tip by

4

6.45 km

Harlaw Reservoir

Highlight • Structure

Harlaw Reservoir was constructed between 1843 and 1848, at the same time as the larger Threipmuir Reservoir upstream. It's a simple gravity earth dam construction that adds to the volume of water available for Edinburgh.

Tip by

5

6.70 km

Harlaw Reservoir

Highlight • Viewpoint

Harlaw Reservoir is a popular spot for outdoor activities including walking, fishing, and wildlife watching. One of the highlights is a small embankment on the far side of the reservoir …

Tip by

6

7.86 km

Glencorse Reservoir Overflow

Highlight • Structure

Unless absolutely sure of conditions, use the path

Tip by

7

8.09 km

Threipmuir Reservoir

Highlight • Natural

Superb spot at the foot of the Pentlands, easy gravel paths and lots of swimming spots. Busy with walkers and cyclists.

Tip by

B

9.15 km

End point

Parking

Way Types & Surfaces

Way Types

3.15 km

2.41 km

1.99 km

1.59 km

Surfaces

3.78 km

2.28 km

1.16 km

1.11 km

771 m

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Elevation

Elevation

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

Highest point (370 m)

Lowest point (250 m)

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Weather

Powered by Foreca

Friday 10 July

18°C

13°C

44 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

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