US CO Colorado (07. Shoshone Power Plant, Exit 123 (I-70) to Grizzly Creek, Exit 121 07. Shoshone Power Plant, Exit 123 (I-70) to Grizzly Creek, Exit 121 (I-70) n/a 12,000 cfs IV Nicholas Courtens 34 Some Experience Two Boat Trip Raft Private Cold Water High Water Flush Drowning Does not Apply 2023-05-21