Its a 1994 drama film, directed by Edward Zwick and stars Brad Pitt, Anthony Hopkins and Aidan Quinn. The film won the Academy Award for Best Cinematography.
The movie's timeframe spans the decade before World War I through the Prohibition Era, and into the 1930s, ending with a brief scene set in 1963. The film centers on the Ludlow family of Montana, including veteran of the Indian Wars Colonel Ludlow, his three sons Alfred, Tristan, and Samuel, and object of the brothers' love, Susannah.
This movie was shot in Alberta and British Columbia, Canada.
Thanks wikipedia!
PS - there is a little nudity, other than that its clean