Castle Bottom National Nature Reserve is a national nature reserve in Hampshire, characterized by its distinctive valley mires and extensive heathland habitats. This undulating landscape features two main valley mire complexes with acidic streams, surrounded by drier slopes dominated by Ling heathland, birch, and pine scrub. The reserve is recognized as a Special Protection Area (SPA) and a Site of Special Scientific Interest (SSSI) due to its ecological importance, offering a unique setting for several sports like road cycling, touring…
140
Routes
4.4
(171)
Average rating
3022
People visited

4.6
(17)
269
riders
44.7km
01:52
290m
290m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

4.7
(6)
245
riders
49.7km
02:08
400m
400m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

4.7
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88
riders
53.4km
02:14
320m
320m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

4.0
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83
riders
42.6km
01:50
340m
340m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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140
runners
9.18km
00:59
50m
50m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

21
runners
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.3
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15
runners
11.3km
01:11
60m
60m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

11
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.6
(14)
98
riders
29.5km
02:08
190m
190m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

3.0
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31
riders
17.9km
01:22
130m
130m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

10
riders
18.5km
01:22
130m
130m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

5.0
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4
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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5.0
(3)
65
riders
46.3km
02:47
300m
300m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.0
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37
riders
24.9km
01:55
150m
150m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.

4.8
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59
riders
42.1km
02:33
300m
300m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
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48
riders
50.1km
03:05
390m
390m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
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3.6
(5)
46
hikers
9.13km
02:20
30m
30m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.0
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35
hikers
6.61km
01:41
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

5.0
(1)
19
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

50
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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5.0
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20
riders
Hard gravel ride. Great for any fitness level. You may need to push your bike for some segments of this route.

4.0
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12
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

6
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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.
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Castle Bottom National Nature Reserve offers opportunities for various outdoor activities. These include hiking, jogging, road cycling, touring cycling, mountain biking, and gravel biking. The reserve features a network of paths suitable for different activity types.
The reserve is characterized by significant valley mires and extensive heathland habitats, which are important in southern England. It includes two main valley mire complexes with acidic streams and drier slopes dominated by Ling heathland, birch, and pine scrub. Open areas with sphagnum moss and small pools are also present.
While extensive road or touring cycling routes within the reserve are limited, 'The Old Runway loop' is suitable for cycling. For more options, cyclists can explore routes in the wider Hampshire area. Komoot offers guides like Cycling in Castle Bottom National Nature Reserve.
The reserve has a network of permissive footpaths and bridleways. Popular hiking routes include the 'Castle Bottom Nature Reserve – Wooden Steps in the Valley loop' (2.3 miles/3.7 km) and the 'Castle Bottom Nature Reserve – The Old Runway loop' (2.7 miles/4.4 km). A longer trail, 'Castle Bottom Nature Reserve – St Mary's Church, Eversley loop,' is 5.7 miles (9.3 km).
Yes, the reserve offers family-friendly options, particularly for hiking. There are routes with varied terrain suitable for different ability levels. Komoot provides a guide for Family-friendly hikes in Castle Bottom National Nature Reserve.
Dogs are generally allowed in the reserve, but visitors should keep them on main paths to protect ground-nesting birds, especially from March to September. Komoot offers a guide for Dog-friendly hikes in Castle Bottom National Nature Reserve.
The reserve is a Special Protection Area (SPA) and a Site of Special Scientific Interest (SSSI), home to threatened heathland wildlife. Notable species include the Dartford warbler, nightjar, and woodlark, with 42 species of breeding heathland birds supported. Adders and common lizards might also be spotted.
Castle Bottom National Nature Reserve is a popular destination on komoot, with more than 83,000 visitors having shared their experiences. The routes in the reserve have an average rating of 4.44 out of 5 stars.
A herd of Exmoor ponies grazes freely within Castle Bottom National Nature Reserve. Their grazing helps maintain the heathland by controlling invasive grasses, birch, and bracken. This management practice contributes to creating diverse habitats essential for the reserve's ecosystem.
The site holds historical interest, featuring what is believed to be a Bronze Age burial mound. This mound dates back to approximately 1800-550 BC, indicating that the area was open heathland even in ancient times.
Further information about Castle Bottom National Nature Reserve can be found on the Hampshire County Council website. The official website is hants.gov.uk. For direct inquiries, the phone number is 01252 870425.
Yes, Castle Bottom National Nature Reserve offers options for both mountain biking and gravel biking. Komoot provides dedicated guides such as MTB Trails in Castle Bottom National Nature Reserve and Gravel biking in Castle Bottom National Nature Reserve.

