Lakes in Hardin County, Ohio      Lake Idlewild Neiheiser Lake Ziegler Pond OTHER COUNTIES NEARBY Allen County Auglaize County Champaign County Clark County Crawford County Darke County Defiance County Delaware County Franklin County Fulton County Greene County Hancock County Henry County Logan County Lucas County Madison County Marion County Mercer County Miami County Montgomery County Ottawa County Paulding County Preble County Putnam County Sandusky County Seneca County Shelby County Union County Van Wert County Williams County Wood County Wyandot County Ohio Lakes