4.5
(27)
654
riders
84
rides
Touring cycling routes around Harperrig Reservoir are set within the Pentland Hills, characterized by rolling hills and open moorland. The reservoir itself is situated in a basin, with the Water of Leith flowing through it, and offers views of the surrounding countryside. Historical features such as the ruins of Cairns Castle are present along some routes, adding points of interest. The terrain includes both paved and unpaved segments, with varying elevation gains.
Last updated: May 15, 2026
15
riders
56.9km
03:28
460m
460m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
12
riders
74.2km
04:31
650m
650m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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8
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
42.4km
02:38
310m
310m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
41.5km
02:31
330m
330m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Fun little graffiti wall just before the beautiful views open up.
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Friendly cafe with some space outside where a bike can be locked up.
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Choices, choices, plenty of little gems for stocking up or sitting outside and enjoying the calm.
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Biggar lies on the A72 Clyde Valley Tourist Route and could be called South Lanarkshire's gateway to the Borders. It nestles among rolling hills and has spectacular views of Tinto Hill, the highest hill in South Lanarkshire.
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There are over 90 touring cycling routes around Harperrig Reservoir, offering a wide range of options for different skill levels and preferences.
The routes around Harperrig Reservoir cater to various fitness levels. You'll find a good mix of easy, moderate, and difficult trails. Approximately 35 routes are considered easy, 33 are moderate, and 22 are difficult, some requiring good fitness and potentially involving pushing your bike on demanding sections.
Yes, many routes in the area are designed as loops. For example, the Wilderness Wood – Pateshill Wind Farm loop from Livingston South is a popular circular option, as is the Dechmont Law Summit – Hilltop Pathway loop from Livingston South.
The terrain is diverse, featuring both paved and unpaved segments. You'll cycle through rolling hills, open moorland, and areas around the tranquil reservoir, which is situated in a basin with marshy grassland. Some routes may include significant elevation gains.
The area is rich in points of interest. You can cycle past the ruins of Cairns Castle, which dates back to around 1440. The reservoir itself features Gull Island, a breeding habitat for wildfowl. The wider area also includes Bronze Age Scheduled Ancient Monuments on East and West Cairn Hill, and the historic Cross Borders Drove Road passes the eastern end of the lake.
While specific 'family-friendly' routes aren't explicitly detailed, the presence of 35 easy routes suggests options suitable for families. Look for routes with mostly paved surfaces and lower elevation gains for a more relaxed family outing.
Many outdoor routes in Scotland are dog-friendly, but it's always best to check specific trail regulations. Given the natural environment and open moorland, many paths are suitable for dogs, especially if kept under control. Be mindful of livestock and wildlife, particularly around areas like Gull Island which is a breeding ground for birds.
The touring cycling routes around Harperrig Reservoir are highly regarded by the komoot community, with an average rating of 4.6 stars from over 20 reviews. Cyclists often praise the varied terrain, the scenic views of the Pentland Hills, and the historical points of interest along the way.
Absolutely. For those seeking a greater challenge, routes like the Cadger’s Brig – Biggar Town Centre loop from Livingston South cover nearly 77 km and involve significant elevation gain, often taking around 4 hours 42 minutes. The National Cycle Route 75 Path – Picnic Area at Hillend Loch loop from Livingston South is another difficult option of similar length.
The provided routes often start from Livingston South, which is a known transport hub. While direct public transport to the reservoir itself might be limited, reaching Livingston South by public transport and then cycling to the reservoir area is a common approach for many visitors.
While specific parking locations aren't detailed, starting points like Livingston South typically offer parking facilities. For routes directly around the reservoir, look for designated car parks or roadside parking areas, being mindful of local regulations and private land.
The area is known for its diverse wildlife. You might spot Eurasian otters, various bird species such as Osprey, Eurasian Curlew, Northern Lapwing, Common Ringed Plover, and Eurasian Oystercatcher. The reservoir is also a wintering ground for geese and ducks.


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