bridleway disused estuary footpath green Gwynned hills landscape Mawddach natural nature path railway line route saltmarsh spring track wales welsh woodland bank countryside England english exercise Great Britain leisure meadow outdoors slope Surrey trail logs management rural Sussex travel tree trees walk winter Betula birch deciduous forest sunlight trunks white branch fresh leaf leaves oak Quercus view jogger man red run running sport calm country dark destination empty fishmonk forests glade lead leafy light pathway peace peaceful quiet scene season straight sunlit tranquil way wintry wood woodlands woods woody eerie glades shade shady direction footbridge bare bark journey path through the woods remote shadow Trek trunk wild abundant blue bluebell evening flower Hyacinthoides magical non-scripta profusion