The climb by bike from Bédoin to Mont Ventoux is one of the toughest in professional cycling. The figure for the average gradients per kilometre can be found in many books and websites on cycling. The average gradient of the total climb and also the average gradients per kilometre differ slightly, depending on the source of the information. Accurate measurements result in an average gradient for the total climb of 7.43%, based on a horizontal distance of and an ascent of . The actual distance ridden is .