Park at the pay and display 53.232052, -1.746151 (or park as for LB and follow the public footpath until it intersects the main path from the pay and display at the stream).
Follow footpath south out of carpark, crossing a stream after 250m. After a further 150m go left at T junction of paths. Follow this eastward, after 100m a gate on the path leads into Shacklow Wood. Keep going another 100m then drop down left at the first pine tree on the left. The crag is a little further E at 53.228147, -1.745216 , 20m or so N of the path.