Borrowdale
Leave Keswick round the lake on the East Shore, Turn left up to Whatendlath from the farm the end follow the BW over the top to Rosswaite up road to Honister then back down BW towards Castle Crag & Grange From grange BW on side of Catbells (low) then back to Keswick via Portinscale.
Blencathra way there is a BW from Skiddaw house YH that goes down the valley and round the back of the fells – other routes involve riding on Railway line to Keswick Up through Threkeld & Blencathra Centre Follow East side of Valley then return on the West Side
Maps in KMB in town of both these routes