] The Klamath are a Native American tribe of the Plateau culture area in Southern Oregon. History Pre-contact Prior to the arrival of European explorers, the Klamath people lived in the area around the Upper Klamath Lake and the Klamath, Williamson, and Sprague rivers. They subsisted primarily on fish and gathered roots and seeds. The Klamath were known to raid neighboring tribes (such as the Achomawi on the Pit River), and occasionally to take prisoners as slaves. Kit Carson admired the arrows… (More on Klamath)