Complex sentence: It includes an asphalt path, about 6 feet across, on a raised berm and runs for approximately 21 miles, from the town Banks, Oregon, to to the gentrifying town of Vernonia, Oregon.
Split into simpler sentences: It includes an asphalt path, about six feet across, on a raised berm. The trail runs 21 miles from the town Banks, Oregon to the town of Vernonia, Oregon.