Troup 80 Trail is a hiking trail in Marin County, California. It is within Mount Tamalpais Watershed and Mount Tamalpais State Park. It is 1.4 miles long and begins at 785 feet altitude. Traveling the entire trail is 2.5 miles with a total elevation gain of 980 feet. Along the trail there are a viewpoint and a survey point. The trail ends near the Van Wyck Meadow. There is also a rock near the end of the trail.
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