The Mitchelstown limestone caves, exhibiting beautiful stalactite formations, are 6 m.
The Mitchelstown stalactite caverns, to m.
Of these the chief are Poole's Hole, a vast stalactite cave, about half a mile distant; Diamond Hill, which owes its name to the quartz crystals which are not uncommon in its rocks; and Chee Tor, a remarkable cliff, on the banks of the Wye, 300 ft.
Various volcanic rocks are the predominant formations, but beds of limestone also occur, giving rise to numerous stalactite grottoes all over the island.
In it are some fine white stalactite curtains and straws up to three feet long.