We have led around 1000 youngsters to the summit of Snowdon in the last few years while also teaching them camping and navigation skills.
Rydym wedi arwain rhyw 1000 o bobl ifanc i gopa'r Wyddfa yn ystod y blynyddoedd diwethaf, ac wedi dysgu sgiliau gwersylla a chanfod llwybr iddynt ar yr un pryd.