St. Louis to Caruthersville
Mile 16.0 - below 16 SLG: Portage LBD
below 16 SLG: Portage LBD At 4-10 feet SLG the Chain is a deadly ten to fifteen foot drop over rock, concrete wreckage and steel reinforcement. Keepers follow your capsize. If you ran it and capsized you would be recirculated in the rotating turbulence at the base of the waterfall,