Keep the Park in Your Pocket. Introducing the Shelby Farms Park app, your guide to the largest urban park in the U.S. Easily navigate the 4,500 acres of Shelby Farms Park on our updated map with clickable pins, track the progress of upcoming enhancements, plan to attend upcoming events, locate a tree in our arboretum, get to know the trails and view all of our attractions at a glance. This app puts the park at your fingertips, so keep it in your pocket and go explore!