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Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Rhondda Cynon Taf
Taffs Well

Taffs Well, Caerphilly mountain and Cefn Onn loop

Moderate

4.5

(4)

14

riders

Taffs Well, Caerphilly mountain and Cefn Onn loop

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

A

Start point

Train Station

Get Directions

1

7.46 km

Coed Tranch-yr-Hebog Quarry

Highlight (Segment) • Structure

Not too difficult - just be careful as you are close to the quarry edge.

Tip by

2

9.88 km

Just stop and contemplate.

Tip by

3

11.1 km

Forest Descent Path

Highlight • Trail

West to east is downhill, watch out for walkers

Tip by

4

18.1 km

Rocky Forest Trail

Highlight (Segment) • Trail

Suitable for MTB and Gravel bikes, expect mud, rocks and rivers.

Tip by

B

27.4 km

End point

Train Station

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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

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Sunday 17 May

13°C

6°C

82 %

Additional weather tips

Max wind speed: 19.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the Taffs Well, Caerphilly mountain and Cefn Onn loop?

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.

What is the terrain like on this mountain bike loop?

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.

How long does it typically take to complete the loop?

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.

What kind of views and landmarks can I expect along the route?

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.

Where can I park for the Taffs Well, Caerphilly mountain and Cefn Onn loop?

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.

Is the Taffs Well, Caerphilly mountain and Cefn Onn loop dog-friendly?

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.

What is the best time of year to ride this trail?

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.

Do I need any permits or pay entrance fees for this trail?

No, there are no specific permits or entrance fees required to ride the Taffs Well, Caerphilly mountain and Cefn Onn loop.

What gear should I bring for mountain biking this 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.

Does this loop connect with other trails?

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.

Are there any cafes or facilities near the trailhead?

Taffs Well, as the starting point, offers local amenities including cafes and shops where you can refuel before or after your ride.

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