This August 2012 photo shows vines spilling down toward the Willamette Valley at Amity Vineyards in Amity, Ore. Oregon is home to some 500 wineries with a growing wine tourism industry and a reputation for good pinot noir. (AP Photo/Joseph B. Frazier)
This undated image provided by Carlton Winemakers Studio shows the exterior of the studio in Carlton, Ore., where small winemakers can start out, using communal equipment and pooling expertise until they can establish their own facilities. Oregon is home to 500 wineries and is known for pinot noir. (AP Photo/Carlton Winemakers Studio, Clay McLachlan)
This undated photo provided by Carlton Winemakers Studio in Carlton, Ore., shows some of the wines produced at the studio, where eight small winemakers share equipment and expertise. Oregon is home to 500 wineries and a growing wine tourism industry, and the state is developing a reputation for pinot noir. (AP Photo/Carlton Winemakers Studio/Clay McLachlan)
CARLTON, Ore. — Driving southwest from Portland an hour or so through the suburbs, you hit the heart of Oregon’s wine country rather suddenly. Here the mountainous Coast Range slopes to the Willamette Valley floor, which is smothered with vineyards that produce some of the …