A signpost at the foot of the climb makes the claim Col de la Bonette - Restefond, 2802 m above sea level, highest road in Europe. This claim is incorrect for various reasons. The actual Col de la Bonette rises to , but there are three Alpine road passes whose altitudes are higher: Col de l'Iseran (), Stelvio Pass () and Col Agnel (). There is also the road to Veleta (Sierra Nevada), Spain (near Granada) which reaches but it is not a through road.