Urban Trails San Francisco is the first ever guidebook on hiking in San Francisco. The book contains 100 full-color photos and covers 50 history- and nature-filled routes: 40 in San Francisco, 6 in Marin County, and 4 south of the San Francisco border. Hikes are rated for fitness appeal to walkers, runners, and hikers, and with routes between 0.4 and 9 miles, there are options for people of all fitness levels. With this book, you will not only experience San Francisco's trails, but you'll also learn the history of the city and its famous sights. Each hike contains trailhead directions, including public transit options, information for families and dog owners, plus trail distance, high point, estimated time, amenities, and more.Urban Trails San Francisco was written and photographed by Alexandra Kenin, the founder of Urban Hiker San Francisco (urbanhikersf.com), an urban hiking tour company based in San Francisco.