Just a 1.5-hour drive from San Francisco is the perfect day trip for just about anyone. Your drive will take you north to Sonoma — and specifically to Bartholomew Park . Adjacent to this charming park with three miles of hiking trails, you’ll find Bartholomew Winery with tastings and picnic areas, and the option to go horseback riding with Sonoma Valley Trail Rides . About the trails If you look at the trail map , you can see it’s easy to make a loop around the park. I like doing a clockwise loop starting on the Grape Stomp Trail and continuing on the You-Walk Miwok Trail. While the trails are short in distance, you should know that they involve steep and rocky terrain and stairs without railings. You can hike with kids (and dogs are welcome, too), but I might avoid hiking with anyone who has balance issues or trouble with elevation gain, as the route involves about 640 feet of climbing. That said, I think the rocks and the s...