Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Folllowing the Derwent past Slippery Stones Up on to Howden Moors Up on to Howden Moors Up on to Howden Moors Up on to Howden Moors Up on to Howden Moors Up on to Howden Moors Up on to Howden Moors Up on to Howden Moors looking back to Margery Hill Margery Hill looking back to Margery Hill Folllowing the Derwent past Slippery Stones Brambling in those trees Brambling in those trees Helicopter Kings Tree end of Howden Reservoir Mystery bird Derwent Dam Derwent Dam Dunnock Dunnock Dunnock 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