Skyline Wilderness park offers hiking, biking & equestrian trails, camp sites & a native plant garden. 25 miles of multi-use fireroad and singletrack trails of various skill levels (beginner to advanced).
Various types of train rides offered for the 36-mile round trip to St. Helena, with or without gourmet dinner. Buy the "flight" of wines at the tasting car. Make this institution part of your trip.