Llyn Clywedog & Llanbrynmair loop from Llanidloes

This loop is considered a difficult touring bicycle ride, requiring very good fitness. It features significant elevation gains, including long climbs and steep ascents that can reach gradients of 25% or even 35% in some areas. While mostly on paved surfaces, be prepared for some unpaved sections where you might need to push your bike.

You can typically find parking in Llanidloes, which serves as the starting and ending point for this loop. Look for public parking areas within the town. Specific parking near Llyn Clywedog itself might be available at visitor points, but starting from Llanidloes is common for the full loop.

No, there are no specific permits or entrance fees required to cycle the Llyn Clywedog & Llanbrynmair loop itself. The route primarily uses public roads and trails. However, if you plan to visit specific attractions or facilities along the way, check their individual requirements.

The best time to cycle this loop is generally from spring to autumn (April to October) when the weather is milder and daylight hours are longer. Summer offers the warmest conditions, but spring and autumn provide beautiful scenery with fewer crowds. Be aware that Welsh weather can be unpredictable, so always check the forecast before you go.

While the route largely follows public roads and trails where dogs are generally permitted, it's primarily designed for touring cyclists. If you plan to bring a dog, ensure they are well-behaved and can keep pace, or consider a dog trailer. Always keep dogs on a leash, especially near livestock, wildlife, or on roads, and clean up after them.

The loop offers truly wonderful scenery. You'll cycle around the expansive Llyn Clywedog reservoir, pass through parts of the Hafren Forest, and see the impressive Clywedog Dam, the tallest concrete dam in the UK. You might also spot the remains of the Bryntail Lead Mines near the dam. Don't miss the Hafren Forest Waterfall and the scenic Hafren Forest Lane.

The area is excellent for bird watching. Keep an eye out for various species, including ospreys, red kites, buzzards, and ravens, especially around Llyn Clywedog and the surrounding forests. The quiet nature of many roads also increases your chances of spotting other local wildlife.

Yes, this touring cycling route shares sections with several other notable paths. You'll find it intersects with parts of the EuroVelo 2 - Capitals Route - part United Kingdom 2, Lôn Las Cymru (Central), Severn Way (1) Source to Shrewsbury, Trans Cambrian Way, Glyndŵr's Way, and the Wye Valley Walk.

Llanidloes, as your starting and ending point, offers various cafes, pubs, and accommodation options. While the route itself is quite remote, especially around Llyn Clywedog and Llanbrynmair, you might find limited facilities in smaller villages. It's advisable to carry sufficient water and snacks for the duration of your ride.

The route passes through sections of Hafren Forest, offering beautiful wooded scenery. While there are no specific cycling permits required for the main route, be mindful of other forest users, including walkers. The forest is managed by Natural Resources Wales, and general countryside codes apply. Enjoy the tranquility and the Hafren Forest Waterfall.

Given its classification as a 'difficult' ride with significant elevation gain and some potentially unpaved sections, this loop is not recommended for families with young children or beginner cyclists. It requires very good fitness and experience with challenging terrain. There are likely more family-friendly and beginner-appropriate routes available closer to Llanidloes.