Andrea Mason swam the length of Lake Bala, Windermere and Loch Awe before cycling to Snowdon, Scafell Pike and Ben Nevis and running up them. It is believed the 40-year-old set four world records ...

Some lakes in Eryri National Park are also known by English names - Llyn Tegid is sometimes known as Lake Bala and Llyn Bochlwyd as Lake Australia. But the national park authority voted to use the ...