Gyrn Ddu

Area:Anglesey and the Lleyn Peninsula
County:Gwynedd
Country:Wales
Classification:Marilyn, Dodd, Dewey, and HuMP
(also Clem and Tump)
Height:522.1m (with a drop of 386m)
Maps:254 Explorer or 115, 123 Landranger
Grid Ref:SH401467         Hills nearby: 5km 10km 20km
Summit:cairn
Daylight:dawn 04:01, sunrise 04:52, sunset 21:47, dusk 22:39



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