Author: Gareth Lloyd James.

Series: Cyfres Cawdel.

Once more follow the adventures of the gang of friends, Glyn, Jac, Deian and Rhodri as they visit the Urdd Camp in Llangrannog. What trouble will they get into this time, we wonder? A sequel to Dirgelwch Gwersyll Glan-llyn and Dirgelwch Gwersyll Caerdydd.

Awdur: Gareth Lloyd James.

Cyfres: Cyfres Cawdel.

Dilynwn hynt y criw ffrindiau Glyn, Jac, Deian a Rhodri unwaith eto wrth iddyn nhw ymweld â Gwersyll Llangrannog. Pa helynt fyddan nhw'n tynnu am eu pen y tro hwn, tybed? Dilyniant i Dirgelwch Gwersyll Glan-llyn a Dirgelwch Gwersyll Caerdydd.