Platypus Tours Limited offers excursions in Napa and Sonoma. Wine tour include visiting at least four wineries, learning about local history and culture, joining in with other wine adventurers, and picnic lunch. Folks don't need to have their own group as Platypus' staff is happy to coordinate grouping people together. The family owned business specializes in taking backroads off the beaten path avoiding heavily visited areas. Owner, Don Rickard, is in his seventh year in business.