Tags: Wine Region.
The Chehalem Mountains AVA is an American Viticultural Area located in the Clackamas Yamhill and Washington counties of northwestern Oregon. It is entirely contained within the Willamette Valley AVA. The region stretches 20 miles (32 km) from Wilsonville in the southeast to Forest Grove in the northwest. The Chehalem Mountains includes Ribbon Ridge Parrett Mountain and Bald Peak.