Castle Bottom National Nature Reserve
Castle Bottom National Nature Reserve
4.8
(8)
69
riders
9
rides
Gravel biking in Castle Bottom National Nature Reserve offers routes through an undulating landscape characterized by heathland, valley mires, and woodland habitats. The reserve features a network of accessible paths, with some sections on gravel, providing varied terrain for cyclists. Adjacent to the reserve, the old runway at Blackbushe Airport provides an extended, smoother gravel riding experience. This mosaic of natural features creates a diverse backdrop for no traffic gravel bike trails.
Last updated: July 9, 2026
5.0
(2)
6
riders
40.9km
02:44
200m
200m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
3.0
(1)
14
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
22
riders
Hard gravel ride. Great for any fitness level. You may need to push your bike for some segments of this route.
3
riders
20.7km
01:32
180m
180m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
13
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
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Popular around Castle Bottom National Nature Reserve
This is a nice place if you want a rest. The Basingstoke canal is a lovely picturesque ride.
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This junction is a great place to meet up or find your way around the trails and Swinley Forest
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Blue trail is great for beginners or intermediate. Recomend😀
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Sick place to ride, loads of trails and the burns are great👌.
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This is a lovely stretch of fast downhill, or tough uphill depending on direction, on a well-maintained path through Minley. There are a number of interconnecting trails here which make for an exciting and scenic ride.
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Swinley Forest’s blue loop is perfect for building confidence, offering a moderately graded route ideal for beginner mountain bikers looking to improve their skills. Once you’re comfortable with the blue trail, it’s easy to link up with the more challenging red route for an added adventure.
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There are 10 traffic-free gravel bike trails available in and around Castle Bottom National Nature Reserve. These routes offer a variety of experiences, from easy rides suitable for beginners to more challenging options for experienced riders.
The terrain in Castle Bottom National Nature Reserve is characterized by an undulating landscape with a mix of heathland, valley bogs, and woodland. While some paths are easily accessible gravel, you can expect varied gradients and surfaces. The nearby old runway at Blackbushe Airport also offers a smoother, open area suitable for cycling, complementing the reserve's trails.
Yes, there are several easy routes perfect for beginners or families. For example, the Mytchett Lake Road Bridge – Ash Lock (Basingstoke Canal) loop from Fleet is an easy 23.4 km ride with minimal elevation gain. Another accessible option is the Blacksmiths Bridge – Basingstoke Canal Towpath loop from Church Crookham, which is just under 10 km and also rated easy.
Castle Bottom National Nature Reserve is a Special Protection Area, known for its diverse wildlife. You might spot ground-nesting birds like Nightjars, Woodlarks, and Dartford Warblers, especially from March to September. The reserve is also famous for its abundance of dragonflies and damselflies. Exmoor ponies graze freely, helping to manage the landscape and adding to the natural charm.
Yes, many of the gravel bike trails in the region are designed as loops. For instance, the Basingstoke Canal Towpath – Basingstoke Canal Towpath loop from Castle Bottom offers a 32.4 km circular route. Another option is the Basingstoke Canal Towpath – Minley Forest Trail loop from Sandhurst, a longer 40.6 km loop that explores varied landscapes.
The reserve offers a beautiful experience year-round. However, for wildlife spotting, especially birds, spring and summer (March to September) are ideal. During these months, it's crucial to stick to main paths to protect ground-nesting species. The undulating terrain and varied surfaces can be enjoyed in all seasons, though some paths might be wetter in winter.
While the reserve has a network of permissive footpaths and bridleways, it's important to be mindful of the sensitive wildlife, especially ground-nesting birds. If bringing a dog, ensure it is kept under close control, preferably on a lead, to avoid disturbing the natural habitat and other visitors. Always check local signage for specific restrictions.
Visitors often enter the reserve from Cooper's Hill, where you can find parking options. The network of paths connects to existing footpaths and bridleways outside its boundaries, so checking specific starting points for routes on komoot will often provide details on nearby parking facilities.
The area is highly rated by the komoot community, with an average score of 4.8 stars. Reviewers often praise the peaceful, traffic-free nature of the trails, the diverse scenery ranging from heathland to woodland, and the opportunity to spot unique wildlife. The varied terrain also provides an engaging experience for different skill levels.
Yes, the reserve holds historical significance, including what is believed to be a Bronze Age burial mound. Naturally, the valley mires and heathland offer unique ecological features. For more information on the reserve's natural and historical importance, you can visit the Wikipedia page for Castle Bottom NNR.
The longest traffic-free gravel bike route listed is the Basingstoke Canal Towpath – Minley Forest Trail loop from Sandhurst, covering a distance of 40.6 km with an elevation gain of approximately 201 meters. This route offers a substantial ride for those looking for a longer adventure.


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