Leslie Woods Nature Area is a 23-acre natural area located on Upland Drive just south of Leslie Park Golf Course and north of Plymouth Road. View the Ann Arbor Parks and Nature Areas map for location context. A thousand meter trail loop winds through the park. Composed of mixed hardwoods and shrubland, it is one of Ann Arbor’s more mature woodlands. This oak hickory forest has some of the largest trees found within the Ann Arbor park system. A seasonal creek winds through the park. This nature area is a historically intact woodland that remains a well-functioning ecosystem. Three species of frogs observed in the park include American toad, gray tree frog and green frog. Rare and interesting plant species growing in the park include New Jersey tea, culver's root, Kentucky coffee tree, maiden hair fern, pin oak and sedge.