Jomblang Cave + Pindul cave tubing and Oyyo River tubing
A 40 meters deep single – shaft with a diameter of 50 meters formed by dissolution and collapse of 15-2 million years old limestone. This occurred after the limestone was uplifted from the sea floor about 1,8 million years ago. Bottom of collapse – sinkhole connected with a horizontal passage that ends at Grubug cave. Grubug cave is a single shaft of about 90 meters, is the deepest vertical cave in java island. The phenomenon of Grubug underground river and upward view from the bottom is very amazing.
Price included :
All entrance fee + Lunch + Private car + Local Guide in the spot