Clark County, Ohio - Adult & Youth Athletics - Family, Adult & Youth Programing The National Trail Parks and Recreation District is an extensive parks and recreation system encompassing a multitude of facilities and program opportunities for our residents. This Joint Recreation District was formed when the City of Springfield Parks and Recreation Department and the Clark County Recreation Department joined as one agency. The District manages over 1,300 acres of beautiful parks and facilities and nearly 30 miles of multi-use trails. Our staff members are dedicated to providing quality parks, facilities, services and programs for the residents of Clark County. We share the vision to create community through people, parks and programs.