Ice diving is a type of penetration diving where the dive takes place under ice. It is a risky type of diving requiring special training.

Normal procedure and precautions for ice diving are:

• use chain saw to cut a hole in the ice
• use a snow shovel to clear the snow and ice from the area
• use a weatherproof area for the divers to suit up
• use a diving regulator modified for cold water use that will not freeze.
• use a dry suit, hood, gloves and possibly a full face diving mask
• connect the diver and a tender on the surface with a rope and harness
• use rope signals
• have a standby rescue, roped diver ready on the surface
• normally only have one diver underwater at a time