Clackamas County is part of the Chehalem Mountains AVA wine region, which sits on a series of sedimentary ridges that provide diverse soils and growing conditions at slightly higher altitudes than other Willamette Valley vineyards. Some 150 vineyards are located throughout the hilly countryside, comprising three counties—Yamhill, Washington and Clackamas—which frame the southwestern suburbs of the Portland metropolitan area. The combined value of ranches, farms, hunting land and other rural land and acreage for sale in Clackamas County recently on Land.com was $404 million. This represents approximately 5,000 acres of farms and ranches for sale in Clackamas County. Clackamas County ranks seventh out of 36 counties in Oregon for the total acreage of land currently advertised for sale. Oregon City featured the most land for sale. Clackamas County is Oregon's 19th largest county (1,882 square miles). It's located in the Portland Metro Oregon region of Oregon.