Criterion Summit is a mountain pass

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route...

 in Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 traversed by U.S. Route 197.
Its location is south of Maupin

Maupin, Oregon

Maupin is a city in Wasco County, Oregon, United States. Located on the Deschutes River, much of the city's economy is related to the river through outdoor activities, such as fishing and rafting...

 approximately 3 miles north of the intersection of US 197 with U.S. Route 97.
It is marked with a sign, and a view point that has a map of all the mountain peaks you can see from its vantage point ranging from Mt. Bachelor to Mt. St. Helens