Marys Peak is a mountain in Benton County, Oregon, United States, just southwest of Philomath. The Kalapuya people call the peak "chatímanwi", or 'place of spiritual power'. It is the highest peak in the Oregon Coast Range. It is also the highest point in Benton County, and ranks eleventh in the state for prominence. On a clear day at the top of the peak, facing east, northeast, and southeast, one can see the cities and suburbs of the Willamette Valley, as well as the Cascade Range.