Aerial of Snowdonia National Park Wales and Brittany lake Llyn Llydaw

snowdonia wales brittany lake llyn llydaw mount snowdon yr wyddfa snowdonia national park parc cenedlaethol eryri hiking mountain peak national nature reserve gwynedd caernarfonshire national three peaks challenge gwyddfa rhita alpine topography alpine terrain craig fach glaciation weekend day trip vacation united kingdom miners track pen y pass summit mountain top mountain summit landscape nature adventure blue sky aerial moutain lake alpine lake view welsh causeway lake causeway british isles treeless national park mountain drone establishing shot uk