Mannum Waterfalls: Take the Southeastern Freeway to the Monarto exit and turn left. After 2 km, cross the Old Princes Highway (ignoring Monarto Zoo signs) and continue north on Schenscher Road for 4.5 km. Bear right on to Pallamana Road and drive for about 7 km. Turn right, cross the railway line and turn left on to Wagenknecht Road. Drive for about 5 km. Turn left on to the B36 towards Mannum and continue for about 9 km. After crossing Reedy Creek, turn left on Cascade Road. Drive for 1 km and turn left into parking area.
OR (simpler but longer)
Take the Southeastern Freeway to the Murray Bridge exit and turn left. After 6 km, turn left on the Mannum Road and drive for about 22 km to the Reedy Creek crossing and then turn left on Cascade Road. Drive for 1 km and turn left into parking area.