From Menton - [Average gradient: 4.6% - Maximum gradient : 6.8% - Distance 15km - Height gain 707m]
From Sospel - [Average gradient: 5.1% - Maximum gradient : 6.8% - Distance 7km - Height gain 349m]
The Col de Castillan sits in the Maritime Alpes between the seaside town of Menton and the town of Sospel to the north. The climb is fairly quiet until you reach the Menton side and is a fairly gentle introduction to climbing in the Alpes.
