- Situated in the heart of the Snowdonia National Park - North Wales in an area of outstanding natural beauty, Garthyfog boasts magnificent views of the Mawddach Estuary. The popular beaches of Fairbourne and Barmouth are less than two miles away. Activities in the area include Hill Walking, Climbing, Mountain biking, Water Sports, Pony Trekking, Fishing and many other traditional Welsh ...www.garthyfog.co.uk