Walnut Trail is a hiking, biking, and horse trail in Alameda County, California. It is within Sycamore Grove Park. It is 0.2 miles long and begins at 501 feet altitude. Traveling the entire trail is 0.5 miles with a total elevation gain of 24 feet. The trail ends near the Hobbit Tree. There are also benches and a waste basket near the end of the trail.
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