Blown Down Trail is a hiking trail in Westford, Massachusetts. It is 0.4 miles long and begins at 230 feet altitude. Traveling the entire trail is 0.7 miles with a total elevation gain of 29 feet. The Jarvis Estates, Jarvis Estates, and Timberstone conservations are near the trailhead. The Timberstone and Timberstone conservations can be seen along the trail.