Oak Tree Park Florence Ave & Porter Ave, Brentwood, MO63144 Residents can enjoy a variety of activites at Oak Tree Park. The park features a picnic pavillion next to a playground…More area. A wide expanse of green allows for games of football or Wiffle ball, and the paved Lee Wynn Trail runs beside a creek toward Hanley Park. A nature trail branches off the paved path, allowing walkers to climb up a set of natural stone stairs on a dirt hillside toward a tunnel of trees. This forested area features 458 feet of nature trails. A basketball net sits next to the concrete parking lot, giving park users a place to shoot some hoops.