The redwood forest ridges of Mount Tamalpais State Park are just a stone’s throw from San Francisco. The rolling green hills hug and ocean and host miles of trails for hiking, running, biking, and camping. At one moment you might find yourself surrounded by soft grassy knolls and wild flowers. A few minutes later you might be standing in a sunbeam flooding through the ancient redwoods. The layers of hills turn purple at sunset, and the deer dot the horizon as the sun goes to sleep.