Nothing beats spending time by the water while you're on vacation. Take a picnic to Lac de Paladru and then stay for an impressive sunset.
This body of water is located in Auvergne-Rhône-Alpes. Once you've seen all you can at Lac de Paladru, pay a visit to nearby Château de Pupetieres, Virieu Castle, and Prieure de Chirens.