Greg Koenig has been making wine with the Williamson family for 15 years, having partnered with them in 1998. He began making wine in 1995 and graduated from Notre Dame with a degree in architecture. Williamson Vineyard is located in the Sunnyslope Wine Trail in Caldwell, Idaho, and is family owned and operated. The portfolio includes Harvest Moon Red, Reserve Grenache, and a Library Wine Collection. The tasting room opens Wednesday through Sunday from noon to five, with Friday and Saturday extending to six. Reservations outside these hours are possible with 72 hours notice.
Yes — Williamson Vineyard Winery has a tasting room open to visitors. Walk-ins are welcome, though booking ahead is safest on busy weekends.
Williamson Vineyard Winery focuses on Grenache, Petite Sirah. Signature bottles include Harvest Moon Red, Reserve Grenache, Petite Sirah, Library Wine Collection. When booking a tasting, ask which current release best represents the estate's style.
Yes, Williamson Vineyard Winery has food available alongside tastings. Having food while tasting reduces the effect of alcohol and helps you taste more accurately. Worth taking advantage of when offered.
Williamson Vineyard Winery is in Caldwell, Idaho. Phone: +1 208-459-7333. Confirm hours before visiting. Winery schedules vary seasonally.
The winemaking at Williamson Vineyard Winery is led by Greg Koenig. Visiting during special events or release weekends is often the best chance to meet the winemaking team and ask questions about specific vintages or techniques.
Williamson Vineyard Winery offers: Cork to Fork and U-Pick Season. Seated or guided experiences typically include more context about the wines and the estate's approach. Worth booking if you want depth over breadth.
Monday: Closed | Tuesday: Closed | Wednesday: 12:00 – 5:00 PM | Thursday: 12:00 – 5:00 PM | Friday: 12:00 – 5:00 PM | Saturday: 12:00 – 5:00 PM | Sunday: 12:00 – 5:00 PM Hours may vary seasonally. Confirm by phone or on their website before visiting.
Yes, Williamson Vineyard Winery has outdoor seating. Availability is weather-dependent. Call ahead to confirm, particularly outside summer months.
Location
20023 Myrtle Rd Caldwell, Idaho, United States of America
