If you'd like to follow this itinerary through Napa Valley and Sonoma County, here's where to stop along the way: Schramsberg, 1400 Schramsberg Rd., Calistoga; 707-942-4558. Wappo Bar Bistro, 1226 Washington St., Calistoga; 707-942-4712. Iron Horse Vineyards, 9786 Ross Station Rd., Sebastopol; 707-887-1507. J Wine Company, 11447 Old Redwood Hwy., Healdsburg; 707-431-5400. Madrona Manor, 1001 Westside Rd., Healdsburg; 800-258-4003. Bistro Ralph, 109 Plaza St., Healdsburg; 707-433-1380. Mistral, 1229 N. Dutton Ave., Santa Rosa; 707-578-4511. Domaine Carneros, 1240 Duhig Rd., Napa; 707-257-0101. Domaine Chandon, 1 California Dr., Yountville; 707-944-8844.