Air Line State Park Trail is a hiking and biking trail in Willimantic, Connecticut. It is within Airline State Park Trail (Northern Section). It is 22.2 miles long and begins at 230 feet altitude. Traveling the entire trail is 44.3 miles with a total elevation gain of 1,910 feet. The Jillison House Museum (elevation 230 feet) museum is near the trailhead.
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