The Paint Creek Trailways Commission and Lake Orion Downtown Development Authority will host the 20th annual National Trails Day event on June 2. The event will be held at the Orion Art Center, Children's Park and on the Paint Creek Trail in downtown Lake Orion. The year's theme is "National Trails Day on the Paint Creek Trail-celebrating the extension of the Paint Creek Trail and dedicating a new Iron Belle Trailhead at Children's Park in the Village of Lake Orion.