Llwyn-onn Reservoir loop

Parking is available near the trailhead. The trail is conveniently located near the A470, the main access route into Bannau Brycheiniog National Park. The nearby Garwnant Visitor Centre also offers parking and is a good starting point.

Yes, the Llwyn-onn Reservoir loop is generally dog-friendly. However, please ensure your dog is kept under control, preferably on a leash, especially around wildlife and other hikers. Always clean up after your pet to help keep the trail enjoyable for everyone.

The Llwyn-onn Reservoir loop can be enjoyed year-round. Spring and autumn offer pleasant temperatures and beautiful scenery with changing foliage. Summer is popular for its longer daylight hours, while winter can provide a tranquil, crisp experience, though some sections might be muddy, especially after rain.

No, you do not need a permit or to pay an entrance fee to hike the Llwyn-onn Reservoir loop or to enter Bannau Brycheiniog National Park itself. Access to the park and its trails is generally free.

The trail features a mix of flat and gently inclined sections, making it largely accessible. You'll encounter hard, compacted surfaces, some looser sections, and both paved and unpaved areas. Be aware that some parts, particularly after crossing a weir, may become muddy, especially after wet weather.

The Llwyn-onn Reservoir loop is approximately 5.4 kilometers (3.4 miles) long and typically takes around 1 hour and 26 minutes to complete at a moderate hiking pace.

Along the route, you'll enjoy expansive views of the deep blue waters of Llwyn-on Reservoir, framed by the rolling hills of the Brecon Beacons. The trail passes through mixed woodlands and a tranquil conifer plantation. You'll also encounter quaint footbridges, the impressive Llwyn-on Reservoir Dam, and potentially the ancient Pont ar Daf bridge if water levels are low. Environmental sculptures can also be found on the Wern and Willow walks.

The area is rich in wildlife. Keep an eye out for otters, great crested grebes, goldeneye ducks, goosanders, and coots. There's even a bird hide along the trail, offering excellent opportunities for spotting these species.

Yes, the Llwyn-onn Reservoir loop is considered an easy and accessible walk, making it very suitable for families with children. Its gentle gradients and varied scenery provide an enjoyable outdoor experience for most ages and fitness levels.

Yes, the Garwnant Visitor Centre is conveniently located nearby. It offers essential facilities such as toilets and a cafe, making it a great place to start or finish your hike.

Yes, the Llwyn-onn Reservoir loop connects to and shares sections with the Taff Trail, a well-known long-distance route. This offers opportunities to extend your hike if you wish to explore further.

Often considered a 'hidden gem' and an 'under-visited location' by locals, this loop offers a peaceful experience away from more crowded trails. Its blend of reservoir views, tranquil woodlands, and the occasional glimpse of historical features like the Pont ar Daf bridge (when water levels are low) provides a distinctive and serene outing in Bannau Brycheiniog National Park.