4.6
(586)
4,933
hikers
99
hikes
Family friendly hiking trails around Harperrig Reservoir are set within the scenic Pentland Hills, characterized by an expansive shoreline, rolling hills, and open moorland. The reservoir, a significant natural feature, is bordered by the East and West Cairn Hills, offering diverse terrain for outdoor exploration. The area's landscape includes historic drovers' roads and the Water of Leith, providing varied environments for hikers.
Last updated: June 29, 2026
4.2
(5)
32
hikers
13.2km
04:02
430m
420m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
13
hikers
11.7km
03:28
300m
300m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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5.0
(1)
7
hikers
10.4km
02:52
170m
170m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(2)
4
hikers
26.1km
07:44
690m
690m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.7
(11)
68
hikers
13.5km
03:34
130m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Lovely view over the local countryside over to Greendykes Shale Bing.
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Lin's Mill Aqueduct carries the Union Canal over the River Almond.
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Be sure to dismount and walk across. Signage has graffiti covering it so it may not be clear.
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Baddinsgill Reservoir is a charming little reservoir that rests peacefully in a picturesque valley along Thieves' Road, within the Pentland Hills. It's the perfect location to catch your breath and enjoy a picnic amongst some of Scotland's finest scenery.
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If you don't mind the ground being a bit boggy, this is a lovely spot in the Pentland Hills to camp, especially if you catch the sun setting.
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Mount Maw is a prominent summit with a trig point at 535 m. The southern aspect of the summit means you get amazing views south over the Southern Uplands and around the rest of the Pentland Hills.
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There are over 90 family-friendly hiking trails available around Harperrig Reservoir, offering a wide range of options for different ages and abilities. Many of these are considered easy or moderate, perfect for a day out with the family.
Yes, Harperrig Reservoir offers many easy walks perfect for families and beginners. For a gentle introduction, consider routes that stick closer to the reservoir shoreline. While specific pram-friendly routes are not detailed in our data, many paths are relatively flat, though some sections might be uneven. Always check the route details for specific terrain information.
Harperrig Reservoir is a haven for wildlife. You might spot Eurasian otters, especially near the artificial holt. Gull Island within the reservoir is a crucial breeding ground for gulls and various wildfowl. Geese and ducks are frequent winter visitors, and several species of wetland birds can be observed. Keep an eye out for the rare stonefly *Leuctra leuctra*, which has been recorded in the area.
Absolutely! Many of the trails around Harperrig Reservoir are circular, making them convenient for families. A popular moderate option is the East Cairn Hill – Harperrig Reservoir loop from Cairns Castle, which combines shoreline walking with expansive views. This route is approximately 12 km long.
The area is rich in history. You can explore the 15th-century ruins of Cairns Castle, which stands on a hillock projecting into the reservoir and is now home to bats and owls. Many routes also incorporate historic drovers' roads, such as the Cauldstane Slap, adding a sense of historical exploration to your hike. The catchment area also includes Scheduled Ancient Monuments on East Cairn and West Cairn Hills, dating back to the Bronze Age.
Yes, Harperrig Reservoir is generally dog-friendly, offering plenty of open spaces and trails for you and your canine companion. However, please remember to keep dogs under control, especially around livestock and wildlife, and always clean up after them. Some areas might require dogs to be on a lead to protect ground-nesting birds or sensitive habitats.
Parking is available at various trailheads around Harperrig Reservoir. Specific parking areas are usually indicated on individual route descriptions on komoot. It's always a good idea to check the starting point of your chosen route for the most convenient parking options.
While Harperrig Reservoir is somewhat rural, some public transport options might get you close to the area. For detailed information on bus routes and schedules, it's best to consult local transport providers or websites like West Lothian Council's transport section, as direct routes to all trailheads may be limited.
The komoot community highly rates the Harperrig Reservoir area, with an average score of 4.57 stars. Reviewers often praise the stunning vistas over West Lothian and Fife from elevated points like East Cairn Hill, the diverse landscapes, and the sense of tranquility. The combination of reservoir shoreline paths and hillside tracks provides varied terrain and beautiful scenery that families particularly enjoy.
While Harperrig Reservoir itself is a natural, undeveloped area, there are villages and towns within a short driving distance that offer cafes and pubs. You'll find options in nearby communities where you can refuel and relax after your family hike. It's advisable to check opening times and availability in advance.
For a moderate family hike with excellent views, consider the Cairns Castle & East Cairn Hill loop from Harperrig Loch. This 13.2 km trail takes approximately 4 hours and ascends East Cairn Hill, providing expansive panoramas of the surrounding landscape, including the reservoir and the Pentland Hills. It also passes the historic Cairns Castle.


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