Diamond Peak is offering a two-for-one Sweetheart lift ticket special, where you and your honey can frolic on the slopes for $46. At Kirkwood, couples can take advantage of the resort's Valentine's Day Ski Package, which includes one night's lodging, two all-day adult lift tickets and dinner at Off the Wall restaurant for $297. And both Northstar-at-Tahoe and Heavenly will be conducting their annual Sweetheart fun races.