There are a few scenes where a man forces himself on a woman for kissing. In another scene he forces himself sexually although it then seems to change to consensual. White man and Indian woman are implied to have outdoor sex.
Shown by the trailer, a woman strips before swimming.
When Elsa Martinelli undresses she walks naked to the river through the trees. You can't really see much until she is sitting in the water and turns slightly to the left when she hears voices and her left breast and nipple are clearly visible.