The Trinity Falls app is your personal guide to experiencing life at Trinity Falls! Situated on the banks of the Trinity River, Trinity Falls is a 2,000-acre master planned community just northwest of McKinney, Texas. Enjoy a wide selection of homes, unique and plentiful amenities, fun community events, miles of hike-and-bike trails and more than 450 acres of open space, all just a short drive from historic Downtown McKinney. You and Trinity Falls – your home in nature.