Though it's never explicitly stated in the film, the story takes place during 1838. This is based on the fact that the beaver market was declining and the rendezvous was held on the Popoagie River. The "Era of the Mountain Man" ended two years later. See more
During the chase sequence, after Heavy Eagle passes a rock on the top of a ridge and goes to the left of the camera, a bush is moved violently at the bottom right of the screen, clearly by someone off camera. See more
Say, uh, Henry... ain't no need for you to fight your way into that village. We could join up after...
I ever tell you about the time the 'Rapahos chased me up a canyon over in the Big Lost?
No, but I reckon you're gonna tell me.
Well, it was over on the Horse Prairie. This band of 'Rapahos had been chasing me three days. So I seen this canyon. I figured I'd whip in there, and then I'll slip out. Trouble was that there was a way in but there wasn't no way out at all. Nothin' but ...