Water and light changes everything. So does magma.
Lac D’Aydat in the heart of the volcanic region of the Auvergne in France profonde was created when lava formed a dam in a small valley at 827 metres altitude.
During the day, pedalos take swimmers from the lovely family beach on one side, to the wooded shores with alpine fields above.
At night, as the wildfowl go to roost, the bats come out. It then has a distinctly prehistoric feel.
The water was a pleasant 20 degrees.