From the edge of Yellowstone National Park to the foot of the St. Louis Gateway Arch:
- States (7): Montana, North Dakota, South Dakota, Nebraska, Iowa, Kansas, Missouri (Wyoming??? Illinois???)
- Total miles: 2,450
- Madison River: 100
- Missouri River: 2,341
- Mississippi River: 9
- Number of dams: 15
- Average depth: 10 to 20 ft, at least 6ft at low water
- Average current speed: 1.2 to 3 miles per hour, zero mph on the lakes
- 3 of 5 of America’s largest reservoirs: Lake Sakakawea, Lake Oahe, Fort Peck Lake
- Total number of days from start to finish: 90 to 140
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Paddle St. Louis 