pistyll rhaeadr waterfall

afon arch cascade clean cliff countryside cymru disgynfa drop drops exposure fall falls figure flowing fresh gravity green gush height high highest hill kingdom landmark landscape llanrhaeadr long milky mochnant moisture mountain natural nature pistyll pool powys rain rhaeadr river roar rock rocky scenery scenic spectacle spectacular spray spring stream terrain tourism tourist tranquil travel united valley wales wash water waterfall wellbeing welsh white