Le Cycle magazine calls Mont Colombis one of the most difficult climbs greater than 10 kilometres in France. It is in the same league of difficulty as Grand Colombier, Relais du Mont du Chat, and Col du Granon.
A super fun 20 kilometre cycling climb to Lac de Mauvoisin. Then 14 kilometres deeper into the Alps on a mountain bike. Map, photos, etc.
Cycling to the Glacier de Mont-de-Lans and Col du Jandri. The second highest road – paved or unpaved – in Europe. Map, photos, etc.
Cycling to 3131 metres and the summit of Mont Chaberton and its 19th century Fort. The highest I have ever been on a bike. Map, photos, etc.
Huge, car-free cycling climb through the Parco Naturale Gran Bosco to Col Blegier, joining the historic high altitude military road Strada dell’Assietta. Map, photos, etc.
This is a superb, remote, challenging alternative mountain biking route to Plateau des Glières. Fun. Map, photos, etc.
A very steep, very scenic mountain bike ride high above Combloux ski station. Map, photos, etc.
Col de Voza is high above St. Gervais and Les Houches ski stations in the…
Extraordinary 93 kilometre mountain bike ride on super high, old Italian military roads. 10 passes. Map, photos, route description.
A fantastic cycling ride to Forte Jafferau (2805 metres) on old military roads. The 18th highest road in Europe. Map, photos, etc.