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Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Carmarthenshire
Llanfihangel Rhos-Y-Corn

Derwen Green Trail

Hard

3.5

(2)

49

riders

Derwen Green Trail

00:51

8.54km

180m

Mountain biking

Experience a difficult 5.3-mile mountain biking route through Brechfa Forest, featuring sculpted singletrack and Cothi valley views.

Last updated: February 26, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 1.04 km for 285 m

After 3.16 km for 328 m

After 7.23 km for 285 m

Waypoints

A

Start point

Parking

Get Directions

1

787 m

Brechfa Fire Road

Highlight • Forest

A steady climb out of the car park and up into the woods to get you warmed up before hitting the trails, or the final descent at the end of …

Tip by

2

7.16 km

Don't lose your way here: there are many different MTB trails, walking routes and fire roads that intersect at this river crossing so it can get a bit confusing!

I'd …

Tip by

3

8.47 km

Brechfa Forest Trail Centre

Highlight • Parking

This is a very low key, but great fun trail centre. The facilities are very basic so make sure you bring your own food and plenty of water.

There are …

Tip by

B

8.54 km

End point

Parking

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Way Types & Surfaces

Way Types

6.35 km

2.02 km

138 m

Surfaces

8.36 km

138 m

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Elevation

Elevation

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Weather

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Thursday 16 July

25°C

11°C

-- %

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Frequently Asked Questions

Is the Derwen Green Trail suitable for beginners or families?

Yes, the Derwen Green Trail is specifically designed as a green-graded (easy) route, making it an excellent introduction to off-road mountain biking for beginners, children, and families. It features engaging singletrack sections and steady climbs without being overly demanding.

What is the terrain like on this mountain bike trail?

The trail offers a varied experience, featuring sculpted singletrack sections winding through beautiful oak woodland, as well as a wide, gravelly fire road. You can expect flowing terrain with steady climbs and fun descents throughout the forest.

How long does it typically take to complete the Derwen Green Trail?

Most riders can expect to complete the Derwen Green Trail in approximately 1.5 to 2 hours. This duration allows for enjoying the scenery and navigating the trail at a comfortable pace.

Where can I park to access the Derwen Green Trail?

You can park at the Brechfa Forest Trail Centre. This is the primary access point for the trails within Brechfa Forest.

Are there any entrance fees or permits required for Brechfa Forest?

Generally, there are no entrance fees or permits required to access the mountain bike trails within Brechfa Forest, including the Derwen Green Trail. Parking at the trail centre may have a small charge, so it's always good to check local signage upon arrival.

What is the best time of year to ride the Derwen Green Trail?

The trail is enjoyable year-round, but autumn is particularly beautiful when the tree-lined fire road section offers stunning fall colors. Spring and summer also provide pleasant riding conditions through the lush oak woodland.

Is the Derwen Green Trail dog-friendly?

Brechfa Forest is generally dog-friendly, but it's important to keep dogs under control, especially around wildlife and other trail users. Always check for specific signage regarding leash rules or restricted areas at the trailhead.

What kind of scenery can I expect along the route?

You'll ride through lovely Derwen forest, with beautiful oak woodland and views across the Cothi valley. Keep an eye out for red kites soaring overhead, and enjoy lush green farmland vistas at various stopping points.

Are there any notable points of interest along the Derwen Green Trail?

Yes, the route passes through scenic areas like the Brechfa Fire Road, which offers great views, and a Trail Crossing at Brechfa Forest. These spots provide opportunities to pause and take in the surroundings.

Does the Derwen Green Trail connect with other mountain bike routes?

Yes, the Derwen Green Trail is part of the wider Brechfa Forest trail network. While riding, you will intersect with sections of the Raven, Raven Black Trail, and the Derwen Blue Trail. The blue-graded extension of the Derwen Trail offers a stepping stone to more technical routes like the red-graded Gorlech Trail for those seeking a greater challenge.

What makes the Derwen Green Trail unique for a beginner route?

This trail stands out because it offers a true taste of off-road riding with sculpted singletrack sections, which are not commonly found on green-graded trails. It provides an engaging and sensory experience, introducing novice riders to mountain biking challenges in a fun and flowy way.

Nearby routes

Moderate

4.5

225

Gorlech Trail

01:59h

19.1km

460m

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