No sound stages were used in this movie.
The water at the waterfall had to be pumped in as the water source isn't as free-flowing as it was in the past, and can be visited by tourists today at Owen's Creek on the Natchez Trace Parkway in Mississippi.
Robbie Coltrane claimed in an interview that the studio renamed the movie "The Adventures of Huck Finn" because focus groups had told them that "Huckleberry" sounded too Southern.
The movie contains no digital effects.