Two different trails can be the longest in Lost Maples State Natural Area. The first is the Upper Turtle Rock Trail, which clocks in at a shade over 7 miles round trip. The second is the East Ridge Trail, which comes in at just under 9 miles round trip. So it depends on how you want to define "longest"! These trails offer hikers stunning views of the expansive canyons and cliffs that make up Lost Maples. In particular, the East Ridge Trail features some incredible vistas of Turquoise Lake, one of the most popular attractions in the state park. Regardless of which trail you choose, you're sure to have an unforgettable hiking experience in Lost Maples State Natural Area.