(Scheduling Notes CN288(GWY). Round Huts and Long Hut near Cader Ellyll, Llanberis, (C) Oval Feature c. 9m west of (B) on the edge of a marshy hollow, approximately 3m by 2.5m, marked by a single line of large boulders. The interior is raised to the level of the boulders. OAN site visit 2008. Site as described.