Occupying slightly foreboding and spartan slate buildings, this remote woodland hostel has a gorgeous setting beside a stream, 2 miles from the Ty-Nant Path (Pony Path) trailhead up Cader Idris. Follow the signposts from the A493, west of Penmaenpool. The wi-fi is patchy and not free.
Kings YHA
Snowdonia National Park (Parc Cenedlaethol Eryri)