Cassop Vale National Nature Reserve
Cassop Vale National Nature Reserve
3.8
(44)
238
riders
25
rides
Gravel biking in Cassop Vale National Nature Reserve offers routes through varied terrain, characterized by magnesian limestone grasslands, woodlands, and wetlands. The landscape also features recolonized open quarries and former mine spoil-heaps, contributing to diverse topography. These geological formations provide a dynamic environment for gravel cyclists. The reserve's network of trails traverses these natural and historical features.
Last updated: May 6, 2026
3.0
(1)
32
riders
45.3km
02:46
430m
430m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.8
(6)
22
riders
25.1km
01:37
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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8
riders
79.8km
04:49
1,020m
1,020m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2.0
(2)
20
riders
47.9km
02:40
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
17
riders
27.2km
01:26
160m
160m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Cassop Vale National Nature Reserve
Hard packed former railway, now a popular walkway for cyclists and walkers. A good route to Bishop Auckland and beyond. Can get busy on weekends.
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From Hownsgill Viaduct you can see for miles around whilst standing on the old railway bridge. The actual bridge has elevated side wall protector barriers, this to stop anything going over the side, the drop below is considerably higher than a house. There were high winds on the bridge on the day I rode over, the barriers also protect from the weather. You get very good views over both sides of the bridge.
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A nice gentle route but be wary of walkers with dogs.
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Viaduct is now open, the paving is slightly bumpy though!
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Great off-road route with an extremely gentle slope in a westerly direction!
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Croxdale Viaduct, which takes the East Coast Main Line over the River Wear near Croxdale and Sunderland Bridge, is an impressive 11-arch span built by the North Eastern Railway in 1872.
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I drove down this former railway line from the top with the wind at my back. What a great experience and easy way to move quickly through the landscape.
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Hurworth Burn Reservoir is a 21 acre lake built in 1867. It's surrounded by woodland and attracts a rich variety of wildlife.
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There are over 30 gravel bike trails in Cassop Vale National Nature Reserve, offering a diverse range of experiences. These include 3 easy routes, 21 moderate routes, and 10 difficult routes, catering to various skill levels.
You can expect a varied landscape, including unique magnesian limestone grasslands, woodlands, scrub, wetlands, and even a lake and bogs. Many routes also traverse recolonized open quarries and former mine spoil-heaps, adding interesting topographical variations to your ride.
Yes, there are several routes suitable for families or those looking for an easier ride. The reserve offers 3 routes classified as easy, providing a gentle introduction to gravel biking in the area. While specific family-friendly routes aren't detailed, the overall network includes options for varying skill levels.
For a longer and more challenging experience, consider the Derwenthaugh Country Park Pond – Derwent Walk loop from Durham, which spans 93.7 km and is classified as difficult. Another demanding option is the View of Lanchester Valley – Lanchester Valley Way loop from Durham, a 47.8 km difficult route offering scenic views.
Yes, many of the gravel bike routes in Cassop Vale National Nature Reserve are designed as loops, allowing you to start and finish at the same point. Examples include the Derwenthaugh Country Park Pond – Derwent Walk loop from Durham and the View of Lanchester Valley – Lanchester Valley Way loop from Durham.
Cassop Vale has significant historical importance as a former mining area. You can explore sites like the Cassop Vale Colliery (1840-1868) and Cassop Colliery (1836-1878). Additionally, as you descend into Cassop Vale, particularly from Cassop Post Office, you might catch a glimpse of the notable landmark, Durham Cathedral.
The area is highly rated by the komoot community, with an average score of 4.2 stars from over 55 reviews. Cyclists often praise the varied terrain, which includes unique magnesian limestone grasslands and former mine spoil-heaps, providing a dynamic and engaging environment for exploration.
Yes, the reserve is a haven for wildlife due to its diverse habitats. It's particularly known for rare species such as the Northern Brown Argus butterfly, globeflower, and bird's-eye primrose. Its wetlands also attract various bird species, including mallard, teal, coot, waterhen, and the elusive little grebe, offering engaging observations during your ride.
Yes, some routes provide views of Durham Cathedral. For instance, the View of Durham Cathedral – Sunderland Bridge loop from Durham is a moderate 25.1 km path that specifically highlights this iconic landmark.
Yes, you can find routes that incorporate water features. The River Deerness – Deerness path loop from Butterby Oxbow follows the River Deerness through varied landscapes. Another option is the Hurworth Burn Reservoir – Thorpe Thewles Station loop from Wingate, which leads through countryside near Hurworth Burn Reservoir.
While specific seasonal conditions are not detailed, the varied flora and fauna suggest that spring and summer would be ideal for experiencing the reserve's rich biodiversity, including rare butterflies and wildflowers. Autumn would likely offer beautiful foliage, while winter might present more challenging conditions on unpaved sections.


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