The joys of a body of water
Swimming in a lake is great: space for everyone, sand on the beach, unchlorinated water and trees for shade all day. We set up our towel on a corner with grass and take advantage of it to relax. One is in full nature with nevertheless toilets and a small snack in season, a carpark (paying in season).
The advantage at the Vernets lake is that the swimming is supervised (in season): children are safe.
Small advice: come in the morning to enjoy your day to the fullest or to swim lengths quietly in the lake before the families arrive.