Taffs Well, Caerphilly mountain and Cefn Onn loop
Taffs Well, Caerphilly mountain and Cefn Onn loop
4.5
(4)
14
riders
02:21
27.4km
500m
Mountain biking
This moderate 17.1-mile mountain biking loop near Taffs Well offers varied terrain, scenic woodlands, and views from Caerphilly Mountain.
Last updated: February 26, 2026
Tips
Includes a very steep uphill segment
You may need to push your bike.
After 16.4 km for 245 m
Waypoints
Start point
Train Station
Get Directions
7.46 km
Highlight (Segment) • Structure
Tip by
9.88 km
Highlight • Summit
Tip by
11.1 km
Highlight • Trail
Tip by
18.1 km
Highlight (Segment) • Trail
Tip by
27.4 km
End point
Train Station
Way Types & Surfaces
Way Types
10.3 km
6.71 km
4.44 km
3.61 km
1.23 km
1.19 km
Surfaces
10.6 km
8.71 km
4.39 km
2.00 km
905 m
583 m
313 m
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Elevation
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Weather
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Saturday 16 May
13°C
6°C
74 %
Additional weather tips
Max wind speed: 22.0 km/h
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This route was planned by komoot.
This loop is classified as a moderate mountain bike ride. It requires good fitness and advanced riding skills due to its varied terrain and elevation changes. On the Single Track Scale (STS), it corresponds to approximately S2, indicating a moderate level of technical difficulty.
The trail offers a diverse and mixed terrain. You'll encounter unpaved sections, asphalt, paved roads, natural trails, and gravel paths. It also includes singletrack, roads, and cycleways. Be prepared for potentially muddy conditions, rocks, and small river crossings, especially after wet weather. Some challenging sections may require you to push your bike.
The 27.4 km (17 miles) loop typically takes around 2 hours and 21 minutes to complete on a mountain bike, depending on your pace and stops.
You'll traverse through fields and several woods, enjoying lovely woodland paths. Highlights include Coed Tranch-yr-Hebog Quarry, and from Caerphilly Mountain, you'll get fabulous views over Caerphilly and beyond. The trail also offers vistas across Cardiff from Craig Llysfaen (Lisvane Graig) and showcases the beauty of Cefn Onn Park.
The starting point for this loop in Taffs Well is conveniently accessible by public transport. While specific parking details aren't provided, Taffs Well offers local parking options for trail users.
Yes, the trail is generally dog-friendly. However, as it passes through varied terrain including roads, fields, and woodlands, it's advisable to keep dogs under control, especially around livestock or other trail users, and to follow local leash regulations.
The trail can be ridden year-round, but conditions vary. After wet weather, expect muddy sections and small river crossings. Spring and autumn often offer pleasant temperatures and vibrant scenery, while summer provides longer daylight hours. Winter rides are possible but be prepared for colder, potentially muddier conditions.
No, there are no specific permits or entrance fees required to ride the Taffs Well, Caerphilly mountain and Cefn Onn loop.
Given the moderate difficulty and varied terrain, we recommend a well-maintained mountain bike, a helmet, appropriate cycling attire, water, snacks, a basic repair kit, and navigation tools. Due to potential muddy conditions and rocks, sturdy tires and good suspension will enhance your ride.
Yes, the route intersects with several other paths. Notably, it is part of the wider Taff Trail system and also crosses sections of the Cambrian Way, Rhymney Valley Ridgeway Walk, Lôn Las Cymru (South), and EuroVelo 1 - Atlantic Coast Route - part United Kingdom 2.
Taffs Well, as the starting point, offers local amenities including cafes and shops where you can refuel before or after your ride.