This is a circular walk of about 7 miles around the Alwen reservoir, starting from the small car park at the Alwen dam.
The walk is very easy from a navigating point of view, as the track is clear and waymarked all the way round. The walk isn’t too strenuous for the most part, but there are a few small uphill sections. The path is a multi-user trail, so you need to keep an eye out for bikes (or walkers if you decide to do this on two wheels – just reverse the route, as cyclists are requested to travel in an anti-clockwise direction).
From the car park, head across the dam then bear right and follow the path all the way round. The northern end is a bit exposed and can be chilly on cooler days but aside from that, and perhaps the crossing of the long narrow bridge, the walk shouldn’t present any problems. The sense of wilderness and peacefulness, together with the relatively easy terrain, make this a very enjoyable walk, and one of my personal favourites.
There is an option to also climb to the summit of Mwdwl Eithin from this walk; a short and straightforward detour, but the hillside can be very boggy in wet weather. Before passing through a small gate and dropping down to the bridge, bear left following the fence, which can be crossed at the top to reach the summit.
(right-click the Download button to save the GPX).
You can view route reports (when available) here: Route Reports for Around the Alwen.
*Disclaimer: The information on this page is intended only as a guide to the route. You should always take the relevant map and a compass with you and check weather conditions before setting out. The grading of routes is from my experience of them and may differ to your expectations.
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