Afon Ogwen, a river in Snowdonia National Park, Wales

Afon Ogwen, a river in Snowdonia National Park, Wales

Below the burbling surface of the River Ogwen - or Afon Ogwen, if you speak Welsh - the river rock, covered with an array of aquatic plants, echoes the terrain of Snowdonia National Park itself. Here in the north-west of Wales, some of the UK's highest peaks nearly burst from the landscape, creating an ecosystem varied and rare enough to earn Snowdonia significant protected status.