Caverns exist in many places that scuba divers explore. From fresh water springs to volcanic island walls and limestone coasts. These places seem very inviting to enter and explore for some adventurers. The Cavern Diver class gives you the knowledge and skills to explore these areas correctly and safely, while staying within the daylight zone of an entrance. Students will learn reel use, line handling, buoyancy control, trim, communication procedures, equipment configuration, conservation, and emergency procedures for diving in limited overhead environments.