Half-Pipe is a hiking and biking trail in Lehigh County, Pennsylvania. It is within Trexler Nature Preserve. It is 1.5 miles long and begins at 624 feet altitude. Traveling the entire trail is 1.2 miles with a total elevation gain of 281 feet. The Trexler Nature Preserve Bicycle Trails Parking can be seen along the trail. The trail ends near Mill Hill (elevation 722 feet).
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