The best wineries in Oregon lie just under an hour’s drive from Portland in the Willamette Valley, a thriving wine region known for its outstanding Pinot Noir. The Willamette Valley is one of the world’s leading Pinot producers, and with over 550 wineries and 22,000 vineyard acres planted, it is the largest and most important wine region in Oregon.The best wineries in Oregon lie just under an hour’s drive from Portland in the Willamette Valley, a thriving wine region known for its outstanding Pinot Noir. The Willamette Valley is one of the world’s leading Pinot producers, and with over 550 wineries and 22,000 vineyard acres planted, it is the largest and most important wine region in Oregon.