NAPA, CALIF.

Truffle Festival

When, where: Friday to Dec. 12, Westin Verasa Hotel

Highlights: This inaugural event will pair top chefs with some of the world's foremost truffle scientists. In addition to tastings, attendees will have the opportunity to tour a truffle orchard in Sonoma.

Cost: From $15 to enter the marketplace to $925 for a three-day pass.

Info: http://www.napatrufflefestival.com

MAMMOTH LAKES, CALIF.

Night of Lights

When, where: Dec. 18, Canyon Lodge

Highlights: Ski slopes come alive with fireworks and a torchlight parade.

Cost: Free; for rooftop view, $35 for adults, $20 for children ages 7 to 12.

Info: (760) 934-2571, http://www.mammothmountain.com

SANTA BARBARA

The Christmas Revels

When, where: Dec. 18 and 19, Lobero Theatre

Highlights: This winter solstice celebration involves more than 60 Victorian-costumed revelers performing songs and silliness.

Cost: Tickets start at $25; $15 for seniors and students; $12 for children

Info: (805) 963-0761, http://www.santabarbararevels.org

SAN FRANCISCO