Lake Mountain is a popular destination for road cyclists due to the challenging climbs up to the resort. Lake Mountain can be climbed from two sides: from Warburton (a grueling climb up the Reefton Spur) or from Marysville, the more popular route. The climb from Marysville is long and rises at an average gradient of 4.3%. The first of the climb are the most challenging with an average gradient of 8.1%.