Distance: 10 miles (15.5km)
Ascent: 920 metres
Start/finish: Buttermere, CA13 9XA
Head west out of the village to the L of the pub and across the fields between Crummock Water and Buttermere. Turn R onto the path on the far side and follow it north-west along the western shore of Crummock Water to the northern tip. Cross both bridges and turn R in the small patch of woodland below Scale Hill before running south-east along the eastern shore. You can follow this straight back to the start but we suggest turning L at Rannerdale Bridge and running up Squat Beck; the bluebells can be amazing here. Turn sharp R at the path junction at NY 179177, almost turning back on yourself then running out along the ridge to Rannerdale Knotts (7.6 miles/12.3km). Turn L and follow the steep path downhill to a path junction below. Turn L and follow this above the road and lake back towards Buttermere, joining the road. When you reach the National Trust car park on the R, turn R onto a path through woodland and down to cross a footbridge, then turn L to return to the start.