Sunny Jim Trail is a hiking, biking, and horse trail in San Mateo County and Santa Clara County, California. It is within Skyline Ridge Open Space Preserve and Russian Ridge Open Space Preserve. It is 1.6 miles long and begins at 2,254 feet altitude. Traveling the entire trail is 2.9 miles with a total elevation gain of 916 feet. The Disabled Parking Lot parking is near the trailhead. There are also restroom, information guideposts, parkings, a scrub, an information board, and an information map. Along the trail there are an industrial and a wood. The trail ends near the Trail Guide information guidepost. There is also a wetland near the end of the trail.
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