Ozarks at Large Stories 35 Miles of Trails, Al Knox and Volunteers KUAF | By Kyle Kellams Published January 8, 2016 at 2:48 PM CST Facebook Twitter LinkedIn Email Listen • 2:25 Arkansas State Parks Hobbs State Park has about 35 miles of trails and Al Knox is the man in charge of maintaining the trails. Once a month he asks for a bit of help.MUSIC: "Jitterbug" Michael Hedges