Leave one car GR 719 928 on Mountain Lagoon Road and drive another one to Hanlons Road North, GR 699 916. From the second car, descend east into Back Creek and follow it all the way to Tootie Creek. Visit Potos Wall, then Potos Cave. Climb onto the ridge to the east and visit Lions Cave. Continue north east underneath the cliff line, exploring caves, till about GR 714 933 or GR 714 938, depending on the available time. Re-connect with the first car.
Expect cascades, waterfalls, rainforest ravines and beautiful caves.
About 6 km. Partly exploratory. Scrambling and exposure.