Nowhere else in Britain will you find such variety, in such a compact area, as you will in Snowdonia. There are many places to stay, and things to do in Snowdonia like mountains, beaches, steam railways, lakes, valleys and castles. It is a breathtaking destination for activity holidays with family and friends. Snowdonia National Park was established in 1951 as the third national park in the UK, and the first in Wales. It covers 2,142 km² of the Snowdonia region of north-western Wales.