The Oregon Coast Range, often called simply the Coast Range and sometimes the Pacific Coast Range, is a mountain range, in the Pacific Coast Ranges physiographic region, in the U.S. state of Oregon along the Pacific Ocean. This north-south running range extends over 200 miles (320 km) from the Columbia River in the north on the border of Oregon and Washington, south to the middle fork of the Coquille River. It is 30 to 60 miles wide and averages around 1,500 feet (460 m) in elevation above sea level. The coast range has three main sections, a Northern, Central, and Southern.

Marys Peak is a mountain in Benton County, Oregon, United States, just southwest of Philomath. According to the Benton County Historical Society, the native Kalapuya called the peak tcha Timanwi, 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.