 East of Bilsdale Bransdale, Farndale, Rosedale and Newton Dale cut into the moors.In the south east, the landscape is marked by the narrow valleys of the upper reaches of the Derwent and its upper tributaries.About 22 per cent of the North York Moors is under woodland cover (mostly located to the south-west and south-east), equivalent to more than 300 square kilometres of trees.