4.6
(1555)
14,449
hikers
343
hikes
Family friendly hiking trails around Harlaw Reservoir are set at the base of the Pentland Hills, offering a blend of tranquil reservoir-side paths and varied terrain. The area features open water, mixed woodlands, and views of distant hills like Black Hill. Geologically, the region showcases Lower Carboniferous sedimentary rocks, providing a unique backdrop to the natural landscape. These trails cater to different abilities, from easy strolls around the water to more challenging ascents into the surrounding hills.
Last updated: July 12, 2026
4.5
(18)
191
hikers
4.42km
01:09
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(8)
45
hikers
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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4.5
(17)
187
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.9
(9)
246
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.8
(8)
108
hikers
20.3km
06:44
680m
680m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
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Stunning views. Path gets very gravelly so care needed if you are less experienced off-road
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After the peaks it's all flat terrain and definitely more busy on a dry day. Walk the way back after the last peak if you prefer the challenge of it.
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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 which offers stunning views of Threipmuir Reservoir. On weekends visitors you can get your hands on some homemade crepes from a local van parked near the Harlaw House Visitor Centre.
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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 Edinburgh. Today, the reservoir still supplies water to 450,000 people. The reservoir was created by constructing a dam, which is 77 feet (23.5 m) at its highest point.
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Pretty steep uphill from Threipmuir to Harlaw. Easy enough to walk up/down.
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Bit of gravel track hidden away from main paths around reservoirs. Note that the track it connects to (to Harlaw) is steep and rocky, and is tricky to ride on a gravel bike (at least without very low gears and chunky tyres), but can easily be walked up. The track is narrow and runs very close to the reservoir, so perhaps best avoided after heavy rain.
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There are over 300 hiking trails around Harlaw Reservoir, with more than 120 specifically rated as easy, making them ideal for families with children.
Family-friendly hikes around Harlaw Reservoir typically feature well-maintained paths, often following the reservoir's perimeter or winding through peaceful woodlands. While some routes are flat, others may include gentle inclines as you venture into the lower slopes of the Pentland Hills, offering varied scenery without being overly strenuous.
Yes, the area is known for its accessible circular routes. A popular choice is the Harlaw Reservoir & Threipmuir Reservoir loop, which is an easy 4.4 km trail perfect for a family outing. Another option is the Harlaw Reservoir loop from Lennox Tower, covering about 3.6 km with minimal elevation.
The main natural features are the tranquil waters of Harlaw and Threipmuir Reservoirs themselves, set against the dramatic backdrop of the Pentland Hills. You'll also find peaceful mixed woodlands and the Harlaw Wildlife Garden along the walking paths, offering opportunities to spot local flora and fauna.
Yes, some sections are suitable for strollers. For example, there's a 0.9-mile path around one side of Harlaw Reservoir and a 1-mile tarmac vehicle track that are wheelchair and stroller accessible, providing smooth surfaces for families with young children.
Many trails around Harlaw Reservoir are dog-friendly, making it a great place for the whole family, including your canine companions. However, please ensure dogs are kept under control, especially near livestock or wildlife, and always clean up after them.
The Harlaw House Visitor Centre serves as a convenient starting point for many walks and offers parking facilities. It's advisable to arrive earlier on busy days, especially during peak season or good weather, as spaces can fill up.
While the area is primarily accessed by car, some public transport options may get you close to the Pentland Hills. It's best to check local bus routes from Edinburgh that serve nearby villages, though you might still have a walk to reach the reservoir itself. Planning ahead is recommended.
Spring and summer offer pleasant weather, vibrant greenery, and longer daylight hours, making them ideal for family hikes. Autumn brings beautiful foliage, while winter can be picturesque but requires more preparation for colder, potentially icy conditions. Always check the weather forecast before heading out.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the tranquil open water, the diverse woodlands, and the variety of trails that cater to all fitness levels, making it a rewarding experience for families and outdoor enthusiasts alike.
While the main reservoir loops can be popular, exploring some of the paths that venture slightly further into the Pentland Hills, such as the Pentland Hills Access Road – Glencorse Reservoir Overflow loop, might offer a quieter experience. These routes still maintain an easy difficulty suitable for families.


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