ðə pˈɑːɹk lˈænd ɔnðɪ ˈaɪləndz hɐz ɐ tˈoʊɾəl ˈɛɹiə ʌv , wɪð tˈuː ˈaɪləndz dˈaʊnstɹiːm ʌvðɪ ˈælɪɡhˌɛni ɹˈɪvɚ lˈɑːk ænd dˈæm θɹˈiː əfˈɪʃəli nˈeɪmd ðə sˈiː. dˈʌbəljˌuː. bˈɪl jˈʌŋ lˈɑːk ænd dˈæm, ænd ðɪ ˈʌðɚɹ ˈaɪlənd ʌpstɹˈiːm.
The park land on the islands has a total area of , with two islands downstream of the Allegheny River Lock and Dam Three (officially named the C. W. Bill Young Lock and Dam), and the other island upstream.