4.0
(3)
14
riders
04:36
55.1km
850m
Mountain biking
The Chalk Ridge Extreme is a 34.2-mile mountain biking route on the Isle of Wight, offering varied terrain and scenic views.
Last updated: February 26, 2026
Tips
Includes a very steep uphill segment
You may need to push your bike.
After 51.0 km for 550 m
Waypoints
Start point
Parking
Get Directions
3.16 km
Highlight (Segment) • Natural Monument
Tip by
7.01 km
Highlight • Monument
Tip by
12.0 km
Highlight (Segment) • Trail
Tip by
23.5 km
Highlight (Segment) • Trail
Tip by
40.1 km
Highlight • Viewpoint
Tip by
55.1 km
End point
Parking
Way Types & Surfaces
Way Types
24.2 km
12.4 km
8.58 km
5.80 km
2.75 km
1.39 km
Surfaces
23.0 km
14.8 km
8.21 km
7.35 km
1.63 km
183 m
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Elevation
Highest point (220 m)
Lowest point (0 m)
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Weather
Powered by Foreca
Thursday 7 May
17°C
11°C
0 %
Additional weather tips
Max wind speed: 20.0 km/h
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This route was planned by komoot.
This trail is considered extremely challenging, earning a 'Black Grading' and classified as 'Hard'. It's designed for adventurous and experienced mountain bikers with high levels of fitness and technical skill. Expect steep gradients, varied track surfaces, and technical descents that require careful line choice.
The terrain is highly varied and demanding. You'll ride on bridleways, byways, gravel, and chalk. Expect steep, slippery, and often muddy sections, especially in the River Yar area where it alternates between mud and treacherous chalk. Some descents are described as 'gnarly, raw, and natural'.
The route offers spectacular scenery and several notable points. You'll be treated to views of the Isle of Wight Chalk Ridge, ancient forests, and Bronze Age burial sites. Highlights include the Freemantle Gate, America Wood Singletrack, St George's Down Descent Trail, and the Limerstone Down Viewpoint. On clear days, you might even see the north coast of France.
While the Komoot tour starts near Niton, specific parking details are not provided in the trail data. It's recommended to research local car parks in towns like Niton, Carisbrooke, or Brighstone, which are along the route, and plan your start point accordingly. Always check local regulations and parking fees.
The trail is best enjoyed in drier conditions, typically from late spring through early autumn. Due to its challenging and often muddy terrain, winter and wet periods can make the route significantly more difficult and less enjoyable. Always check weather forecasts before heading out.
While the trail uses public bridleways and byways where dogs are generally permitted, it's a very long and demanding mountain bike route. Consider your dog's fitness and ability to keep up with a fast-paced, technical ride. Dogs should be kept on a lead, especially near livestock and in areas with wildlife. Always carry water for your dog.
No, there are no specific permits or entrance fees required to ride the Chalk Ridge Extreme trail itself, as it primarily uses public rights of way within the Isle of Wight National Landscape. However, you should always respect private land, follow the Countryside Code, and be aware of any local parking charges.
Yes, the Chalk Ridge Extreme incorporates sections of several other well-known paths. Notably, it cruises along parts of the famous Tennyson Trail and includes sections of the '7 Hills Killer route'. It also overlaps with portions of the European walking route E9, the Isle of Wight alternative, and the Red Squirrel Trail.
For an experienced mountain biker, the Komoot tour estimates a duration of approximately 4 hours and 35 minutes (16,544 seconds) to complete the 55 km (34 miles) route. However, given its 'Black Grading' and technical difficulty, many riders may take longer, especially if stopping to enjoy the views or navigate challenging sections.
Given the trail's length and difficulty, essential items include plenty of water, high-energy snacks, a repair kit (spare inner tubes, pump, multi-tool), a first-aid kit, and appropriate clothing for varying weather conditions. A fully charged phone with GPS navigation (like Komoot) is highly recommended, as is an e-bike if you want to make the climbs more manageable.
The route passes through or near several villages and towns on the Isle of Wight. While specific cafes or pubs are not highlighted, you can expect to find options in places like Brighstone, Shorwell, or Niton. It's advisable to carry sufficient food and water, especially for the more remote sections, and plan your stops in advance.