Dog-friendly Mammoth Rock Trail initially follows the path of an old jeep road, then transitions into a scenic single-track, guiding you through a forested slope. As you make your way along the 2.5-mile hike, you’ll encounter a clearing that was formed by an avalanche back in 1986, offering a fascinating glimpse into nature’s power.
The trail also passes below Mammoth Rock— a colossal limestone and marble monolith that houses fossils dating back a staggering 250 million years. It’s a remarkable testament to the rich geological history of the area.
The trailhead is located on Sherwin Creek Road, one-half mile past Sierra Meadows Ranch.