at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit Dunnock Dunnock Dunnock Derwent Dam Derwent Dam Mystery bird Kings Tree end of Howden Reservoir Helicopter Brambling in those trees Brambling in those trees Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit