Thatcher Rim Rock Trail (Suggested Hikers Only) is a hiking trail in Napa County, California. It is within Skyline Wilderness Park. It is 2.3 miles long and begins at 441 feet altitude. Traveling the entire trail is 4.8 miles with a total elevation gain of 2,291 feet. Sugarloaf (elevation 1,637 feet) can be seen along the trail.
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