From Denbigh proceed from the traffic lights at the bottom of Vale Street along Ruthin Road, a few yards after passing Denbigh High School and the sports centre turn right onto Ystrad Road, signposted Prion and Saron,. Follow this road through the village of Prion and continue to Saron. At the T junction in Saron, turn right, signposted Nantglyn and then left at the next crossroads.

Follow this road, through a gate (that’s sometimes closed but not locked) and follow up the mountain towards the wind farm. Proceed over a cattle grid and after entering the forest, take the third track on the left that leads to Clywedog Reservoir and car parking area. The track is identified by a signpost at its junction with the road stating Cilffordd / Byway. From Ruthin take the A525 towards Denbigh, just as you leave Pentre Llanrhaeadr take the left turn at the crossroads just after Pentre Motors and follow the lane past the Bryn Morfydd Hotel to Prion then continue as above.