2 geocaches on the way from Castellane to Col des Blaches.
This second one is on the belvedere on the path up to Col des Blaches.
The complete walk is approx. 15 km with 750 HM from Castellane to the barrage de Castillon and via Retenue de Chaudanne back to Castellane.
The GPX file can be collected it here:
https://nl.wikiloc.com/routes-wandelen/col-des-blaches-40098686