Victim's kayak overturned upon entering Tumbleweed Rapid in the Alberton Gorge section of the Clark Fork River.  A PFD and helmet were worn and the victim successfully swam out of the kayak. Victim struck his head when kayak flipped, and was hanging on to side of rescue boat momentarily but slipped under water before the boat reached shore. Victim was recovered but was unconscious and CPR was unsuccessful.  Deceased was recovering from brain cancer and may of been a contributing factor to the fatality.
Alberton                      