Here are the 80 best low-impact day hikes in Northern California, perfect for aging baby boomers, seniors, those traveling with small children, and anyone else interested more in a stroll than a climb.From hikes just outside of San Francisco to long strolls in the Sierra Nevada, this book covers 80 of the best easy-to-walk hikes throughout the region.Written in a personal but informative tone by outdoors expert Ann Marie Brown, The Creaky Knees Guide Northern California is a perfect resource anyone can use to explore the beauty of Northern California without breaking too much of a sweat.In addition to a full-trip description, each hike includes:• Clear, up-to-date driving directions• Elevation gains• Topographical map• Mileage and estimated hiking time• Trail conditions, effort level, best season, map references, exploring options, access, permits required, and where to find more information.