Gwybodaeth diogelwch
AS Gwybodaeth leol yn fuddiol Angen profiad sylweddol Farcio'n rhannol Angen sgiliau mordwyo
Record M/Open
32:32
Colin Donnelly
1994
Record F
37:45
Angela Brand-Barker
1988
Manylion ychwanegol
Please use special race car park, NOT the Snowdonia Park car park
Lleoliad
Croesor, near Porthmadog, Gwynedd, LL48 6SR (GR 631447)