Park in the forestry commission car park between Lordenshaw and Great Tosson, just south of Rothbury. From the back of the car park a path goes through the forest and up the hill, across a track and on up to a forestry road,. Turn left and follow the road under Simonside crag. Where a track swings to the left, go straight on along the edge of the scarp with a forest to your left up to a fence. Cross this and follow a faint path for 100m to the top of the crag.