Long-exposure double-tiered waterfall cascading into a pool, mossy rock face and bare winter trees, YstradfellteLong-exposure rushing river around mossy rocks with a fallen tree trunk, bare winter woodland, Afon Mellte, South WalesCollapsed brick structure among mossy boulders at the base of a dark gorge wall, still pool alongside, YstradfelltePhotographer standing on rocky mid-river outcrop, cascade and waterfall behind, mossy sandstone gorge, YstradfellteVivid green moss-covered boulders with a small waterfall cascading between them, winter woodland, Afon Mellte, South WalesLong-exposure waterfall with silky cascade over stepped moss-covered rocks, Ystradfellte, South WalesLong-exposure wide cascade spilling over a broad rock shelf, moss-covered boulders and sunlit winter woodland, YstradfellteTerraced moss-covered gorge wall with tiered rock ledges and a shallow amber pool at the base, YstradfellteDense moss-covered boulders and terraced gorge wall beside the river, long-exposure water at the base, YstradfellteFallen stone block at the base of a dark cave overhang, mossy gorge wall and shallow stream, YstradfellteLong-exposure rushing stream over mossy rocks, white water tumbling through boulders, fallen leaves in the shallows, South WalesRocky footpath winding through winter woodland, angular stone slabs and bare bracken-lined trees, Ystradfellte, South WalesLong-exposure double waterfall cascading over sandstone ledges into a pool, upper falls visible behind, YstradfellteWide long-exposure view of waterfalls at Ystradfellte, amber-tinted pool in foreground and white cascade behind, South WalesLong-exposure close detail of white water trailing over golden sandstone rock at Ystradfellte, South WalesLong-exposure stepped weir on a rocky river, mossy overhanging branch and bare winter woodland, South WalesWinding narrow lane through golden moorland grass with fence and conifer plantation, overcast sky, Fforest Fawr, WalesOpen moorland plateau with golden grass, rusted fence post and distant mountain range, Fforest Fawr, South Wales