the bridestones rocks

autumn blackstone edge bridestones bridleway bronte bus route calder valley calderdale way cows mouth quarry cragg vale dry stone wall environment erosion footpath grit gritstone halifax hebden bridge heptonstall hiking hill walking hills lancashire landscape mankinholes moorland mountain biking new delight outdoor outdoors pennine pennines rambling reservoir south southern stoodley pike monument todmorden walk west yorkshire white holme res house dales moors