Head to the blue mountains grab a mountain bike and set off on the oak fire trail widely regarded as one of the best mountain bike tracks in australia the trail runs between woodford at an altitude of 1 998 feet 609m and winds down to glenbrook at 535 feet 163m along the way youll pass by aboriginal rock engravings and on a clear day youll be able to see the sydney skyline in the distance across the western plains this self guided 175 mile 28km one way ride is graded medium to hard