Sharp Island is an important relic of an ancient super volcano that erupted more than 140 million years ago. The island is formed from volcanic materials and is the southern extreme edge of the caldera's volcanic rim.
3 Fathoms Cove is a sheltered inlet on the
southern side of the Tolo Channel. It is
surrounded by high and steep hills and (in
the wet season) spectacular waterfalls to
the east. The impressive Ma On Shan to the west.