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Harlaw Reservoir

Easy hikes and walks around Harlaw Reservoir

4.6

(1536)

14,378

hikers

440

hikes

Easy hiking trails around Harlaw Reservoir are characterized by serene open water, mixed woodland, and the rolling hills of the Pentland Hills Regional Park. The area features diverse landscapes, including prominent hills like Black Hill and Scald Law in the distance. Hikers can explore paths that traverse Lower Carboniferous sedimentary rocks, offering insights into ancient geological formations. The network of trails caters to various abilities, with many flat and accessible options.

Best easy hiking trails around Harlaw Reservoir

  • The most…

Last updated: June 30, 2026

4.5

(18)

188

hikers

#1.

Harlaw Reservoir & Threipmuir Reservoir loop — Pentland Hills

4.42km

01:09

30m

30m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Tips from the Community

Jamie
August 30, 2025, Moor Access Path Climb, Pentland Hills

Great descent on a gravel bike, smooth but with some little drops from the occasional step. Very fun!

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smooth gravel, good for gravel rides

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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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Often busy with dog-walkers at peak times

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

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Simon
December 19, 2023, Threipmuir Gravel Track

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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Quite a technical path that is appropriate slow gravel ride or mountain biking. But what a view!

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Threipmuir Reservoir (west) & Harlaw Reservoir (east) where built in the mid-1800s to increase the water supply for the Edinburgh area. Both have great lakeside trails for a flatter run in the Pentlands.

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Frequently Asked Questions

How many easy hiking trails are there around Harlaw Reservoir?

Harlaw Reservoir offers a wide selection of easy hiking trails. There are over 160 easy routes available, providing plenty of options for a relaxed outdoor experience.

Are there any circular easy walks around Harlaw Reservoir?

Yes, many of the easy trails around Harlaw Reservoir are circular. A popular option is the Harlaw Reservoir & Threipmuir Reservoir loop, which combines two reservoirs with minimal elevation gain. Another great choice is the Harlaw Reservoir loop from Lennox Tower, leading through mixed woodland and along the reservoir shore.

Are the easy trails around Harlaw Reservoir suitable for families with children?

Absolutely. The area is known for its family-friendly paths. Many sections are flat and easily accessible, making them suitable for all abilities, including those with prams. The Harlaw woodland walk is a particularly good, flat option for families.

Can I bring my dog on the easy hikes around Harlaw Reservoir?

Yes, Harlaw Reservoir is a very popular spot for dog walkers. The network of trails provides ample space for you and your canine companion to enjoy the outdoors. Please ensure dogs are kept under control, especially around wildlife and other visitors.

What kind of terrain can I expect on easy hikes around Harlaw Reservoir?

Easy hikes around Harlaw Reservoir feature diverse terrain, including serene open water, mixed woodland paths, and views of the rolling Pentland Hills. You'll find many flat, accessible paths, some of which traverse Lower Carboniferous sedimentary rocks, offering a glimpse into ancient geological formations.

Are there any viewpoints or natural features to look out for on easy trails?

Yes, even on easy trails, you can enjoy spectacular views of prominent hills like Black Hill and Scald Law in the distance. The Harlaw wildlife garden is also a natural attraction. The reservoir itself provides beautiful open water vistas, and the surrounding mixed woodland adds to the scenic appeal.

How long do the easy walks typically take around Harlaw Reservoir?

The duration of easy walks varies, but many can be completed in a relatively short time. For example, the Harlaw Reservoir & Threipmuir Reservoir loop takes approximately 1 hour and 10 minutes, while the Harlaw Reservoir loop from Lennox Tower can be completed in about 55 minutes.

Is there parking available for hikers at Harlaw Reservoir?

Yes, parking is available. The Harlaw House visitor centre serves as a convenient starting point for many walks and typically has parking facilities. It's advisable to arrive early on busy weekends as the area is popular.

How can I get to Harlaw Reservoir using public transport?

Harlaw Reservoir is accessible by public transport from Edinburgh. Several bus routes serve the nearby villages, from which you can connect to the reservoir. It's recommended to check local bus schedules for the most up-to-date information on routes and timings.

What is the best time of year to go hiking around Harlaw Reservoir?

Harlaw Reservoir offers enjoyable hiking year-round. Spring and autumn provide pleasant temperatures and beautiful foliage, while summer is ideal for longer days. Even in winter, the trails can be beautiful, though conditions may require appropriate gear. The area can get busy, especially on weekends, so consider visiting during weekdays for a quieter experience.

What do other hikers enjoy the most about hiking in Harlaw Reservoir?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 1,300 reviews. Hikers often praise the serene reservoir views, the peaceful mixed woodlands, and the accessibility of the paths, making it a favorite for relaxed walks and family outings.

Are there any facilities available at Harlaw Reservoir for hikers?

Yes, the Harlaw House visitor centre is located at the reservoir and provides essential facilities, including toilets. It also serves as a good starting point for many of the trails.

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