"Calistoga Bikeshop runs full-day guided tours for $169.99 that include a knowledgeable local guide, bike rental (e-bike upgrade available for $50), visits to two wineries, a picnic lunch, and wine pick-up; they also offer self-guided tours for $94.99 that include a fully planned itinerary, reservations, a bike and helmet, and wine pick-up, plus customizable routes starting from their shop in Calistoga and mountain-biking trips to the Palisades or along the Oat Hill Mine Trail if you want more off-road options." - Matthew Kepnes