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Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Ceredigion
Ystrad Fflur

Trans Cambrian Way: Claerwen Reservoir Loop

Hard

2

riders

Trans Cambrian Way: Claerwen Reservoir Loop

04:34

48.9km

900m

Mountain biking

This difficult 30.4-mile mountain biking loop around Claerwen Reservoir offers remote beauty, challenging terrain, and stunning views in the

Last updated: February 26, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 3.08 km for 163 m

Waypoints

A

Start point

Parking

Get Directions

1

8.78 km

Gravel track along the Claerwen Reservoir

Highlight (Segment) • Lake

Excellent quality gravel track with stunning views of the reservoir.

Tip by

2

14.9 km

The Claerwen Reservoir is the largest and the newest of the four Elan Valley Reservoirs. Once you reach the top, another "wow“ experience awaits you!

The view over the huge …

Tip by

3

22.7 km

Incredible descent with fantastic panoramic views.

Tip by

4

44.0 km

View of Strata Florida

Highlight • Trail

Gravel or mountain bike best for the descent down the fire road. Best on a clear day with a few clouds for that dramatic scene,

Tip by

B

48.9 km

End point

Parking

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Way Types & Surfaces

Way Types

35.3 km

10.7 km

1.72 km

1.16 km

Surfaces

25.8 km

14.5 km

5.78 km

1.90 km

910 m

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Elevation

Elevation

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

Highest point (520 m)

Lowest point (190 m)

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Weather

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Tuesday 5 May

13°C

6°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Trans Cambrian Way: Claerwen Reservoir Loop for mountain biking?

This route is classified as a "difficult" mountain bike ride, requiring very good fitness and advanced riding skills. You should be prepared for significant climbs, varied terrain, and potentially some "hike-a-bike" sections where you may need to push your bike. It's not recommended for beginners.

What is the terrain like on this mountain bike loop?

The terrain is quite varied, featuring excellent quality gravel tracks, unpaved sections, and some paved stretches. You'll encounter forest trails, quiet lanes, and singletrack. Be aware that some sections can be boggy, and there are rocky parts, loose stones, slabs, and drops, especially on more technical descents.

Are there any permits or entrance fees required to ride this trail?

No, there are generally no specific permits or entrance fees required to access the Trans Cambrian Way: Claerwen Reservoir Loop. The area is part of the Elenydd SSSI (Site of Special Scientific Interest), but public access for activities like mountain biking is typically permitted without charge. Always respect local regulations and signage.

Where can I park to access the Claerwen Reservoir Loop?

While specific parking locations aren't detailed, the loop is part of the larger Elan Valley area. You would typically look for parking near the Claerwen Reservoir itself or at designated parking areas within the Elan Valley, which provide access to the network of trails.

What are the best times of year to mountain bike the Claerwen Reservoir Loop?

The best times to ride are generally during the drier months, from late spring through early autumn. This avoids the worst of the boggy conditions and offers more pleasant weather. Be prepared for changeable weather at any time of year in this remote Welsh landscape.

Is the Trans Cambrian Way: Claerwen Reservoir Loop dog-friendly?

Yes, dogs are generally allowed on this trail. However, given the remote nature of the area and the presence of livestock and wildlife (including red kites and otters), it's crucial to keep dogs under close control, preferably on a leash, to ensure their safety and respect the environment and other users.

What notable sights or viewpoints can I expect along the route?

You'll experience stunning views of the Claerwen Reservoir, the largest of the Elan Valley's reservoirs. Highlights include the Gravel track along the Claerwen Reservoir, another Gravel Path Along Claerwen Reservoir offering magnificent views, and a Singletrack Descent with View of Lake and Hills. You can also catch a View of Strata Florida.

Does this mountain bike loop intersect with other well-known trails?

Yes, the route incorporates sections of several other trails. You'll find yourself on parts of the Trans Cambrian Way, Cambrian Way, Strata Florida, Teifi Pools Walk, and the Nantgwyllt Blue Flow Trail.

What kind of wildlife might I see while riding?

The remote Elan Valley is home to diverse wildlife. Keep an eye out for majestic red kites soaring overhead and, if you're lucky, you might spot otters near the water. The area offers a true sense of peaceful remoteness.

Is there mobile phone signal or water available along the trail?

Mobile phone signal is often non-existent in this remote area, so don't rely on it for navigation or emergencies. There are no official water refill points directly on the trail, so it's essential to carry all the water you'll need for the duration of your ride.

Are there any cafes or accommodation options nearby?

The area around Claerwen Reservoir is very remote, so direct access to cafes, pubs, or accommodation immediately adjacent to the trail is limited. You would need to venture further into the Elan Valley or nearby towns for such amenities. Plan accordingly by bringing sufficient food and drink.

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