| Roller Coaster: | River King Mine Train (1984 to 1988) River King Run-Away Mine Train (1972 to 1983) River King Mine Train (6/1971 to 1971) |
| Amusement Park: | Six Flags St. Louis (Eureka, Missouri 63025 USA) |
| Classification: | Roller Coaster |
| Type: | Steel - Sit Down |
| Status: | Operated from 6/1971 to 1987 SBNO from 1988 to 1988 |
| Relocations: | Six Flags St. Louis as River King Mine Train Dollywood as Thunder Express Magic Springs & Crystal Falls as Big Bad John |
| Make / Model: | Arrow / Mine Train |
| Categories: | Mine Train |
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| Length: | 2349' | |
| Height: | 32' | |
| Drop: | 41' | |
| Inversions: | 0 | |
| Speed: | 37 mph | |
| Duration: | 3:00 | |
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| Trains: | 5 cars per train. Riders are arranged 2 across in 3 rows for a total of 30 riders per train. |
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| History: | When the River King Mine Train opened it was really two mine train roller coasters set side-by-side. One of the two tracks was sold to Dollywood. |