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. There was a combined almost $557 million of land for sale in Clackamas County, Oregon, recently on Land.com. The total size of all Clackamas County farms and ranches for sale was nearly 5,000 acres. Clackamas County ranks fourth out of 36 counties in Oregon for the combined amount of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Clackamas County, Oregon City had the most land for sale. Clackamas County is the 19th biggest county (1,882 square miles) in Oregon. It's located in the Portland Metro Oregon region of Oregon.