Lac Blanc is a popular place to escape from the bustle of everyday life. See if any water activities are on offer here, or just enjoy the calm ambiance.
When you've finished exploring this Chamonix-Mont-Blanc body of water, why not make your way to Aiguille du Midi Cable Car, Sea of Ice, and Planards Adventure Park? They're not far from Lac Blanc and also popular with many travelers.