afon denau, ogwen valley

afon boulder boulders breathtaking britain cloud clouds cloudy cymru denau dramatic europe flowing great gwynedd highland hill hills hilly kingdom landscape mountain mountainous mountains moving nant national north ogwen overcast panorama park peak peaks river rock rocks rocky running scene scenery scenic small snowdonia stone stones stony stream striking terrain through tree trees tryfan united upland valley vegetation view vista vivid wales water welsh wood woodland woods