The Mountain Tribe is a group of formerly nomadic people that inhabit the Mountain Camp in the mountain range in the eastern Fremennik Province. They were formerly a wandering tribe, but have recently settled due to the disappearance of one of their people. Taking advantage of the Fremenniks' temporary weakness, the Mountain Tribe attacked Rellekka, taking with them the rock, which they also believed sacred. The two tribes avoided contact from that point on.