Tour du Lac du Bourget par les Montagnes (France)
GPX track that takes up the Ultra Tour du Lac du Bourget.
Start at the top of the Col de la Chambotte, then descend through the forest to Aix-les-Bains, in order to continue on the shores of the lake, with a tarmac road. Try to reload in water in public toilet.
Gentle climb to the Belvédère du Chat, before restarting to the Grand Villard, then on rolling terrain to Ontex where you will find a water point in a drinking fountain.
Then complete restart to the start of the Col de la Chambotte road with a part of the road uphill (watch out for cars).