4.5
(556)
4,760
hikers
50
hikes
Bus station hiking trails around Harperrig Reservoir are characterized by an expansive shoreline, rolling hills, and open moorland within the Pentland Hills. The reservoir, a significant natural focal point, is surrounded by varied scenic backdrops, including views towards East and West Cairn Hills. The landscape offers diverse terrain, from gentle paths along the water to more challenging ascents into the hills. This area provides a network of routes accessible by public transport, suitable for various fitness levels.
Last updated: May 17, 2026
5.0
(1)
16
hikers
6.77km
01:48
70m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.7
(15)
76
hikers
11.4km
02:59
80m
80m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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24
hikers
4.68km
01:15
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
5
hikers
4.87km
01:17
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
14.1km
03:53
250m
250m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Lin's Mill Aqueduct carries the Union Canal over the River Almond.
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You need to walk the bike across here, but the view of the river below is wonderful. Inspiring and extraordinary infrastructure.
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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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Quiet road into East Calder with a pile of something white in an adjacent field.
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Built in 1885 this viaduct once carried the single-track mineral railway which served the local industry. The railway closed in 1956 but walkers can cross or walk underneath to get a view of the 9 arches.
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Calder Wood is a large area of ancient woodland that has been part of an estate or managed by the Forestry Commission for hundreds of years. There is evidence of Oak trees being felled here for ship building in the 1500's but the forest has never been clear cut. Today it's home to a wide variety of species of plants and animals. It's a SSSI for the habitat and wonderful to walk around. It's part of the Almondell and Calderwood Country Park.
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There are over 50 hiking trails around Harperrig Reservoir that are easily accessible from bus stations, offering a wide range of options for different preferences and fitness levels.
The trails around Harperrig Reservoir offer diverse terrain, from gentle shoreline paths and rolling hills to open moorland and more challenging ascents into the Pentland Hills. You'll find a mix of well-trodden tracks and historic drovers' roads.
Yes, there are several family-friendly routes. For an easy walk, consider the Naysmyth Bridge – Almondell Country Park loop from East Calder, which is just over 5 km with minimal elevation gain, perfect for a leisurely outing with children.
Many trails around Harperrig Reservoir are dog-friendly, allowing you to enjoy the outdoors with your canine companion. Always ensure your dog is under control, especially near wildlife or livestock, and follow local guidelines for responsible dog walking. The Calder Wood loop from East Calder is a good option for a walk with your dog.
Hikers can discover a wealth of natural and historical features. You might encounter the 15th-century ruins of Cairns Castle, enjoy panoramic views from East Cairn Hill, or walk along the historic Cauldstane Slap drovers' road. The reservoir itself is a haven for wildlife, including Eurasian otters and various bird species.
Yes, many of the bus-accessible trails are circular, allowing you to start and end your hike at the same point without needing to retrace your steps. Examples include the Camps Viaduct – Almondell Country Park loop from East Calder, offering a moderate 11 km circuit.
The area is beautiful year-round. Spring and summer offer lush greenery and longer daylight hours, while autumn brings vibrant colors. Winter can be picturesque, with geese and ducks utilizing the reservoir, but be prepared for colder, potentially wetter conditions. Always check weather forecasts before heading out.
The area is highly rated by the komoot community, with an average score of 4.57 stars from over 500 ratings. Reviewers often praise the diverse landscapes, the sense of tranquility, and the rewarding views from higher elevations, as well as the historical points of interest.
Absolutely. For a shorter, easy walk, consider the One – Calder Wood loop from East Calder, which is under 5 km and has minimal elevation, making it a great choice for a quick outdoor escape.
While the immediate vicinity of Harperrig Reservoir is quite rural, bus routes often connect to nearby villages and towns like East Calder, where you can find local amenities, including cafes or pubs, for refreshments before or after your hike.
Harperrig Reservoir is a proposed local nature reserve, making it excellent for wildlife spotting. Keep an eye out for Eurasian otters, various species of wetland birds, and wintering geese and ducks. Gull Island provides a safe breeding habitat for gulls and wildfowl.


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