In west Fermanagh, the Sillees Valley is a distinct and well-defined lowland area. It is separated from Lough Erne by a ridge of limestone that rises to 200m at Cullen Hill and is bound to the west by the dramatic cliffs of the Knockmore Scarpland. The lowlands are choked with steep-sided drumlins that rise higher and are packed tighter towards the north-west. The Sillees River winds around between the hills through Carran and Ross Loughs to Upper Lough Erne. The drainage pattern is intricate, and the striking pattern of the drumlin hills creates a strong sense of enclosure that is emphasised by the small fields, tall hedges and abundant trees. Gaps between drumlins reveal views over flat wet areas to hills beyond. Key elements in the landscape include: the wide valley of the Sillees River filled with steep sided drumlins.
Junior Certificate Geography