The cavern is 130 meters wide, 60 meters high and 60 meters deep.
The cave was once thought to be used as target practice by passing ships.
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There are actually two large caves on the western side.
Because of this, few people have set foot on the island or explored the cave.
Those who have, reportedly discovered cannon balls inside the cave.
Sources:sv-takeiteasy/Wildsight/Wilsons Promontory Marine National Park/H100.tv
