These two steep one way descending mountain bike tracks run to the western side of the two quarries on Arthurs Seat. Accessed from Arthurs Seat Road via Quarry track, they run through the natural bush of the Arthurs Seat State Park. Parking is available off the main road beside the park perimeter. Colour code for map - Green Line: Deadwoods (0.7km one way descending) Blue Line: Crits (0.6km one way descending)