Deep Water Solo is a variation of climbing that resembles Bouldering, the common one in between is that the climbing is without the use of safety equipment. The usual length climbed Rocks above the water is 10-15 meters, sometimes higher. In case of fall, a person falls into the water below, that requires swimming skills and body control during the flight down. Getting in the water in a position different than “with the legs down” can be very painful and even leads to injuries in the internal organs.