Gill R. led a Thursday walk from Mam Tor E along the ridge to Backnor Nook. S onto Hollowford road. SE to Castleton lunch near carpark and toilets then SW up Cavedale. Then just after joining The Limestone Way NW back to Mam Tor . 11 members started , 2 left at Castleton, a clear bright day but with a bitterly cold W wind on the tops.