Is 40m wide, 20m high overhang located off the Glowworm Tunnel Road and Firetrail No. 7. It was first discovered by rock climber Frey Yule on a rainy weekend, c1995. Rain Cave has been described as, "No matter how hard it rains - climbing is always possible at this spot." Named in Pircher, Martin. Blue Mountains Sport Climbing Crags, 1998, 1st edition, pp. 106-107. This overhang was surveyed by Ross Ellis and Erik Halbert on 18th October 2006. Ref: The Journal of the Sydney Speleological Society, 2007, 51 (5); 136.