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Routes
Running trails & routes
United Kingdom
Scotland
South Scotland
Penicuik And District

Glencorse Reservoir, Scald Law & Carnethy Hill loop from Flotterstone

Routes
Running trails & routes
United Kingdom
Scotland
South Scotland
Penicuik And District

Glencorse Reservoir, Scald Law & Carnethy Hill loop from Flotterstone

Hard

4.8

(9)

343

runners

Glencorse Reservoir, Scald Law & Carnethy Hill loop from Flotterstone

01:55

13.0km

500m

Running

Jog this difficult 8.1-mile loop in the Pentland Hills, summiting Scald Law and Carnethy Hill with panoramic views over Glencorse Reservoir.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

2.52 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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2

6.07 km

Pentlands Ridge Path to The Howe

Highlight (Segment) • Viewpoint

A tough climb or steep descent from the saddle on the ridge at 445m between Scald Law and Carnethy Hill and The Howe at 269m. Running this section does allow …

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3

7.53 km

Scald Law Summit

Highlight • Summit

Highest point in the Pentlands and certainly expansive views over the near and far hills. Almost always windy up top so worth remembering!

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4

9.12 km

Carnethy Hill

Highlight • Natural Monument

Carnethy Hill stands at 573m on the Pentland Hills ridgeline. It's only 3m shorter than neighbouring Scald Law and offers great views over the Pentlands, Edinburgh and far across Scotland.

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5

10.5 km

Turnhouse Hill

Highlight • Viewpoint

The first summit on the ridge if you’re running from the north east. Turnhouse Hill is 465m high and offers great views east over Edinburgh.

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B

13.0 km

End point

Parking

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Way Types & Surfaces

Way Types

5.52 km

4.85 km

1.78 km

849 m

Surfaces

5.52 km

3.23 km

1.69 km

1.13 km

1.13 km

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Elevation

Elevation

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

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Weather

Powered by Foreca

Wednesday 6 May

13°C

5°C

21 %

Additional weather tips

Max wind speed: 20.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Glencorse Reservoir, Scald Law & Carnethy Hill loop?

This loop is considered a difficult jogging route, requiring a very good level of fitness and sure-footedness. You'll encounter varied terrain, including clear hill paths, some rough sections, and a tough climb or steep descent between Scald Law and Carnethy Hill. Sturdy shoes are highly recommended.

Where can I park for this route, and is there public transport available?

The route typically starts from the Flotterstone Ranger Centre, which has a car park. For those using public transport, check local bus services that connect to Flotterstone in the Pentland Hills Regional Park.

What kind of terrain should I expect on this jogging route?

The terrain is quite varied. You'll experience clear hill paths, some rough sections, and parts that are alpine, unpaved, asphalt, gravel, and natural. The return leg often follows a tarred road alongside Loganlea and Glencorse Reservoirs.

Is this trail dog-friendly?

Yes, the Pentland Hills Regional Park is generally dog-friendly. However, please keep dogs under close control, especially near livestock, and follow the Scottish Outdoor Access Code. Always clean up after your dog.

What are the main points of interest along the way?

The route offers breathtaking panoramic views and takes you past several notable spots. You'll jog along the Glencorse Reservoir Lakeside Road, ascend the Pentlands Ridge Path to The Howe, and reach the summits of Scald Law Summit (the highest point in the Pentlands) and Carnethy Hill, which is a wonderful viewpoint. You'll also pass Turnhouse Hill.

Do I need any permits or need to pay an entrance fee for this trail?

No, there are typically no permits or entrance fees required to access the trails within the Pentland Hills Regional Park, including this loop. However, always respect the Scottish Outdoor Access Code.

What is the best time of year to jog this loop?

The trail can be enjoyed year-round, but conditions vary significantly. Spring and autumn offer pleasant temperatures and vibrant scenery. In winter, be prepared for potentially challenging conditions like snow, ice, and strong winds, especially on the exposed summits. Always check the weather forecast before you go.

Does this route intersect with any other well-known trails?

Yes, this route incorporates sections of several other trails. You will find yourself on parts of the Pentland Way (Cross Borders Drove Road to Glencorse Reservoir), the Great North Trail (Scottish Borders), the Capital Trail, and the Bavelaw-Flotterstone route, among others.

Are there any cafes or pubs near the Flotterstone starting point?

Yes, Flotterstone is a popular starting point, and there are options for refreshments nearby. You can often find a cafe or pub in the vicinity to enjoy a drink or a meal after your run.

What makes this specific loop a notable route in the Pentland Hills?

This loop is considered a 'classic approach' to Scald Law, the highest peak in the Pentland Hills. It's celebrated for incorporating the prominent summits of Carnethy Hill and Scald Law along a distinctive ridge, offering expansive vistas, and culminating in a scenic return along the Glencorse Reservoir.

Is the Glencorse Reservoir used for anything specific?

Yes, Glencorse Reservoir is known for supplying Edinburgh's drinking water and is also popular with local fishermen. The return journey along its banks offers picturesque waterside scenery.

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