Find out why this unique unprotected area, part of the Gardens of Stone region, must be protected for future generations. Park vehicles on the Blackfellows Hand Trail at GR 327 090. Walk north down into Temple Creek, then turn west and walk along the base of the cliffs to Last Crusade Point and Ravine. Climb to the tops, then descend into Holy Grail Ravine. Walk to the end, then climb out on the eastern side and return to the vehicles. Scrambling and exposure. About 9km.