ðə nˈɔːɹðɚn hˈɪlz kˈɑːnfɹəns, wʌz ɐn æθlˈɛɾɪk kˈɑːnfɹəns ʌv nˈaɪntiːn pɹˈaɪvət ænd pˈʌblɪk hˈaɪ skˈuːlz loʊkˈeɪɾᵻd ɪn ˈɛsɪks, mˈɔːɹɪs ænd pæsˈeɪɪk kˈaʊntiz ɪn nˈɔːɹðɚn nˈuː dʒˈɜːsi.
The Northern Hills Conference, was an athletic conference of nineteen private and public high schools located in Essex, Morris and Passaic counties in Northern New Jersey.