RedactedNarrative: Four canoes with two individual each, entered the Yahara River at Murwin Park at approximately 2:45 pm with an intended destination of Camp Indian Trails.  Vessel 1 entered a high current area and was swept under causing the canoe to tip and both occupants fell out of the canoe.  Due to the high waters and strong current, the Vessel 1 Operator was taken under water and was trapped under the canoe.  Vessel 1 Operator got hung up under water in a downed tree.  Vessel 1 Operator was removed from the water and life saving measures were initiated.  Victim was transported to hospital where life saving measures were stopped.