The best walks and hikes around Alwen Reservoir

Yes, the trails around Alwen Reservoir are generally dog-friendly. The wide forestry tracks and surfaced paths are great for walking with dogs. However, you will be passing through areas with wildlife and potentially livestock on the open moorland, so it's important to keep your dog under control and on a lead where required.

Yes, there is a main car park located near the Alwen Dam at the start of the main trails. It can get busy, especially on weekends. For a quieter alternative, you could consider starting a walk from a place like Bod Petryal, which offers free parking and access to other local paths.

Absolutely. The area is well-suited for families. A great option is the Alwen Dam loop from Rhydlydan. It's a relatively short and easy walk on well-surfaced paths, offering lovely views of the dam and reservoir without being too strenuous for younger children.

The scenery is incredibly varied. You can expect a mix of dense, enchanting woodlands, open heather moorland with expansive views, and tranquil paths right along the water's edge. A key feature is the impressive Victorian-era dam, which has a footbridge offering panoramic views up the lake.

A full circular hike around the reservoir, such as the Alwen Reservoir Bridge – Alwen Dam loop from Alwen Dam, is approximately 8.8 miles (14.2 km) and typically takes around 3.5 to 4 hours to complete at a steady pace. The path is well-marked and follows forestry tracks and lakeside trails.

Most of the main circular trails around the reservoir are gently undulating with no significantly steep or prolonged climbs. The paths are generally on forestry tracks and surfaced paths. Longer routes like the 15-mile Alwen Reservoir Bridge – Alwen Dam loop from Rhydlydan involve more cumulative elevation gain but are spread out over a greater distance.

Alwen Reservoir generally offers a quieter, more sheltered experience with its forest trails. Llyn Brenig is larger and more exposed, often feeling wilder. While both have excellent circular routes, Alwen is often preferred for its fairy-tale-like woodlands and historic dam. It's possible to hike a longer trail that connects both lakes.

The area is highly regarded by the komoot community, with an average rating of 4.6 stars. Hikers often praise the well-maintained, waymarked paths and the peaceful atmosphere. The variety of scenery, from dense forest to open moorland, is a frequently mentioned highlight.

There are no cafes or pubs located directly at the Alwen Reservoir car park or along the main trail. It's best to bring your own drinks and snacks. The nearby towns of Cerrigydrudion and Betws-y-Coed have pubs and cafes for refreshments before or after your hike.

No, swimming and unauthorized water sports are not permitted in Alwen Reservoir as it is a drinking water supply. Fishing is also not allowed in Alwen itself, but permits are available for the adjacent Llyn Brenig.

The diverse habitats support a range of wildlife. Keep an eye out for rare black grouse on the moorlands and red squirrels in the coniferous forests. The tranquil shoreline is also a good place for birdwatching, and the woodlands are home to various types of fungi and plant life.

Yes, the region is rich with hiking opportunities. A popular nearby destination is Gwydir Forest Park near Betws-y-Coed, which offers a vast network of trails through forested mountains and past serene lakes. For stunning valley views, the well-regarded Precipice Walk (Llwybr Cynwch) near Dolgellau is another excellent choice.