Watkin Bunkhouse, Hafod Y Llan Nant Gwynant, Beddgelert, Gwynedd LL55 4NQ. This was formerly known by DAG members as the Herts Snowdonia Centre - now taken over by NT and refurbished.

Link to the exact location  https://streetmap.co.uk/map?x=262615&y=351060&z=115&sv=262615,351060&st=4&ar=y&mapp=map&searchp=ids&dn=569&ax=262615&ay=351060&lm=0

Having turned North off the A498, you will reach a building on the right. Just after this is a gate on your left to the centre.

This weekend can be booked for three night if you wish, with an increased cost, as detailed on the web site.