GRADE: E
TIME: 2½ hours.
DISTANCE: 4½ km
TERRAIN: Undulating path with moderate slopes.
Take the path to Surprise Ridge past the aerial. At the confluence of the streams look for a path proceeding up the stream. This path leads right into the cave. It is named after Jim Heins who believed that he had discovered it, writing JIM on a prominent rock. Return the same way.