Solage Calistoga Napa Valley is giving guests a bird’s-eye view of nearby Napa wineries—which include Château Montelena, Phifer Pavitt, Kenefick Ranch Vineyards and Winery, Fleming Wines, and Fisher Vineyards—as a part of a new helicopter-tour-and-dining package (starting at $1,540). Two guests will take a helicopter ride and land atop Spring Mountain, where they will take a tour of the latter vineyard, led by a member of the Fisher family. Afterward, Solage Calistoga’s Michelin-starred executive chef Brandon …