Classic glacial and post glacial landforms of snowdonia
Cwm Idwal (CI) is a Cirque: which is a glacially eroded semi circular steep walled basin, cirques commonly contain a lake this is what Llyn Idwal is. The Younger Dryas period was when CI was formed as a cirque, around 12,000 years ago, in the UK the event was called the Loch Lomond Stidial (The BBC, 2002). Various landforms that are associated with glacial and […]