Final answer:
Coastal peoples in the state of Oregon use the names Pahtoe, Wy'east, and Louwala-clough to refer to mountains.
Step-by-step explanation:
The names Pahtoe, Wy'east, and Louwala-clough are used by Coastal peoples to refer to **geographic features** in the state. These names are Native American terms that represent **mountains** in Oregon. Pahtoe refers to Mount Hood, Wy'east refers to Mount Jefferson, and Louwala-clough refers to Mount Adams.
Learn more about geographic features in Oregon