Pyrenees - Carnigou
50kms of windy mountain roads/tracks around Mt Carngiou in French Pyrenees. Mostly ok tarmac (60%) with gravel/dirt tracks towards the top of the mountains. Good for intermediate to advanced riders. Beginners would be OK on light bikes and going slow.
POI along the route
Camping ground run by friendly Dutch family in the Pyrenees (Fuilla, France) Has pool and usual facilities. http://www.camping-lerotja.com/GB/mainNL.html