 Located at the edge of the Sperrin Mountains, the village of Drumsurn sits at the foot of the hill.The Ordnance Survey Memoirs of 1834 records an alternative name of "Knocknahurkle", which is believed to be derived from Irish "Cnoc na hEarcola".An ignimbrite formation can be found at the western edge of the plateau with approximately 30 kilometres of outcrop between Donald's Hill and Magherafelt.