rhinog mountains

llyn hywel rhinog fawr llethr fach rhinogydd mountains mountain mountainous range highland upland peak peaks hilly hill hills rock rocks rocky stone stones stony boulder boulders outcrop crag craggy rugged rough rutted snowdonia national park eryri gwynedd north wales welsh cymru great britain united kingdom gb uk europe eu cloud clouds lake water hiking destination tourism popular adventure outside leisure hike active landscape outstanding beauty baeutiful