Also known as Yr Wyddfa, Snowdon towers at 3,560ft but some of those taking on the challenge of reaching the mountain's peak have been attacked for what they have opted to wear for the trip.

Dyma ni ar gopa'r Wyddfa. O na. Ni yw’r ola’ i gyrraedd y copa. Everyone’s having a race to the top of Snowdon. Come on Kasia! I want to be first. KASIA You must be healthy and fit to reach ...