Sonoma Valley Visitors Center at Cornerstone

Our two visitor and retail centers— at 453 First Street East on the historic Sonoma Plaza, and at 23570 Arnold Drive at Cornerstone Sonoma on Highway 121—are open all year, seven days a week.

  • Description
  • Our two visitor and retail centers— at 453 First Street East on the historic Sonoma Plaza, and at 23570 Arnold Drive at Cornerstone Sonoma on Highway 121—are open all year, seven days a week. In addition to a professional staff, more than 50 community volunteers help welcome visitors to the Valley.
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