Join Tim Eaton-Walker from Calderdale Bird Conservation Group and Hugh Firman, Conservation Officer, at Derby Delph Quarry (on the A672, 2.5 miles SW of Ripponden, just above the boarding kennels grid reference SE018161) at 19.15 for a 2 hour moorland walk looking for the birds, such as Twite, Peregrine and Merlin, that make the South Pennines so special. Donations welcomed to Calderdale Bird Conservation Group. Moderate walk. No dogs. Suitable for children aged 10+ if accompanied by an adult.