Hikers in the Ogwen Valley (Dyffryn Ogwen) with the Glyderau mountain range in front, Gwynedd, Snowdonia National Park, Wales, United Kingdom, Europe

Llyn Ogwen, Ogwen Valley (Dyffryn Ogwen) with the Glyderau mountain range on either side, Gwynedd, Snowdonia National Park, Wales, United Kingdom, Europe

A small unnamed source in the Ogwen Valley (Dyffryn Ogwen) with the Glyderau mountain range behind, Gwynedd, Snowdonia National Park, Wales, United Kingdom, Europe

Autumn colours in Ogwen Valley backed by Tryfan and the Glyderau mountains, Snowdonia National Park (Eryri), North Wales, United Kingdom

Bangor Pier and the Menai Strait backed by the Carneddau and Glyderau Mountains of Snowdonia (Eryri) in summer, Anglesey, North Wales, United Kingdom, Europe

The Nant Ffrancon valley in spring backed by Foel Goch and the Glyderau mountains, Snowdonia National Park (Eryri), North Wales, United Kingdom, Europe

The Nant Ffrancon valley and the Glyderau Mountains of North Wales in summer, Snowdonia National Park (Eryri), North Wales, United Kingdom

Llyn Cwmffynnon and distant Glyder Fach, The Glyderau, Snowdonia National Park, North Wales, United Kingdom, Europe

Water cascading down a fall on the Afon Lloer, overlooking the Ogwen Valley and Tryfan in the Glyderau mountain range, Snowdonia, Wales, United Kingdom, Europe

Tryfan, Llyn Ogwen and the Ogwen Valley in winter, The Glyderau Mountains, Snowdonia National Park, North Wales, United Kingdom, Europe

Tryfan, the Ogwen Valley and Glyderau Mountains viewed from Bristly Ridge, Snowdonia National Park, North Wales, United Kingdom, Europe

Llyn Ogwen, Cwm Idwal and the Glyderau Mountains, Snowdonia National Park, North Wales, United Kingdom, Europe

Water cascading down a fall on the Afon Lloer, overlooking the Ogwen Valley and Tryfan in the Glyderau mountain range, Snowdonia, Wales, United Kingdom, Europe

Llyn Cwmffynnon backed by Glyder Fach, The Glyderau, Snowdonia National Park, Eryri, North Wales, United Kingdom, Europe

Foxgloves above the Nant Ffrancon in summer backed by the Glyderau mountains, Snowdonia National Park (Eryri), North Wales, United Kingdom

Last light on Tryfan viewed from Glyder Fach, The Glyderau, Snowdonia National Park, Eryri, North Wales, United Kingdom, Europe

Glacial Erratic Boulder backed by the Glyderau Mountains, Cwm Idwal, Snowdonia National Park, Eryri, North Wales, United Kingdom, Europe

The Glyderau range with Llyn Ogwen in Snowdonia National Park, Wales

The Nant Ffrancon Valley backed by the Glyderau mountains in winter, Snowdonia National Park, Eryri, North Wales, United Kingdom, Europe

Frosty morning in the Nant Ffrancon valley backed by the Glyderau Mountains, Snowdonia National Park, Eryri, North Wales, United Kingdom, Europe