This dry fly was designed by Peter Deane. He is reputed to have names this pattern after a the hill Cilmstock Beacon which dominates the valley of the River Culm.
Hook: Fulling Mill 31330 Up Eye Dry
Sizes: 14-18
Thread: Black
Tail: Brown and Grizzly Cock Hackle
Body: Stripped Peacock Eye Top Quill
Hackle: Brown and Grizzly Cock Hackle
Head: Black Thread Varnished