Entrance - Tight squeeze followed by a small opening and another tight squeeze. Chamber then is 45 ft long, 10 ft wide and 8 ft high.
Squeeze on far end of chamber can fill with water. Then proceed up 10ft to upward sloping squeeze. Then take left hand fork along crawl and after 20ft comes the sentinel - crooked stalactite.
From here there are 2 ways into the chamber:
Chamber is 45 ft long, 30ft wide and from 15 - 35 ft high
At far end of chamber passage goes on for about 50 ft and closes into a squeeze which leads into a small passage with curtains and a large crystal floor. This passage carries on for around 10ft. On chamber from way in opposite is crawl of about 80ft.