Book excerpt: Hiking Northern California, the revised edition, will be fully revised and updated. Northern California has 80-plus diverse hikes throughout the northern two-thirds of the Golden State, from the Oregon border to the Southern Sierras. This guidebook features more than 600 miles of trails, accurate and up-to-date trail maps, and all the information you need for planning enjoyable outings year-round. Hikes include short, leisurely strolls and demanding days-long excursions, from well-graded trails to rugged, cross-country scrambles.