Gunilla(1971)

Gunilla, a beautiful young Swedish lesbian, is dumped by her French girlfriend. Heartbroken, she gets on a plane headed to the ski slopes of northern California to console herself. She spends her time pleasuring herself and watching the activities of her neighbors, an attractive and extremely horny straight couple, and befriends Marlene, an older and more experienced lesbian who teaches her a lot of things she never knew before.