It is safest to go in groups of four or more. Then, if a person is injured, at least one person may stay with the injured party and give first aid and encouragement while the others return to the surface for help. And When You Plan To Return. In the event that you are lost or trapped, help will then be sent to you when you fail to appear within a reasonable length of time. Obtain Permission Before Entering A Cave.
Many caves are on private land.
Get permission from the owner before going caving. Be Prepared For Common Emergencies. Check Your Equipment Before Each Expected Use. If vertical work is contemplated, always check your rope and other equipment prior to use for the adequacy of their condition. If in doubt about a piece of rope, or other equipment, don't use it.