Manzanita Loop Trail is a hiking trail in Alameda County, California. It is within Redwood Regional Park. It is 263 feet long and begins at 1,421 feet altitude. Traveling the entire trail is 0.1 miles with a total elevation gain of 9 feet. The Manzanita picnic site, the Grand View information, and the Grand View viewpoint are near the trailhead. There is also a bench.