Heart of Sonoma Valley Association is kicking off the holiday season this weekend with open houses from 11 a.m. to 4 p.m. on both Saturday, Nov. 25 and Sunday, Nov. 26.

Participants can enjoy two days of wine tastings, holiday food, gift packages, discounts and more. Twenty wineries throughout Sonoma Valley are opening their doors.

Advance tickets are $45 per person for both days, which includes a wine glass and wine tastings at all participating wineries. Tickets, detailed event information and a map may be obtained online at HeartofSonomaValley.com or by calling 431-1137. Tickets at the door will be $55 per person.

The participating wineries include B. Wise Vineyards Tasting Lounge, Benziger Family Winery, Chateau St. Jean Winery, Deerfield Ranch Winery, Eric Ross Winery, Imagery Estate Winery, Kenwood Vineyards, La Rochelle, Ledson Winery & Vineyards, Loxton Cellars, Manzanita Creek Winery, Mayo Family Winery, Muscardini Cellars, Paradise Ridge Winery, Spann Vineyards, St. Anne’s Crossing Winery, Sunce Winery, Ty Caton Vineyards, Valley of the Moon at Madrone Estate and Wellington Cellars.