Old men remembering his time as young boy living with Native American

At the end of this movie, an old guy see a letter or a diary and is remembering about the time he spend in an Native American tribe (being a young boy), where he became friend with an native american boy roughly his age (~ 10 y.o.) and also fell in love for a girl in this tribe. It probably was an movie from the 80’s, with small chance to be in the 70’s of 90’s

2 Answers

2

“Where the River Runs Black” 1986?

The movie you’re looking for is “Little Big Man” 1970