The southern border of Gwanak-gu, bordering Anyang, consists of the craggy ridgeline of Gwanaksan (Mt. Gwanak), which dominates the local geography.
ðə sˈʌðɚn bˈoːɹdɚɹ ʌv ɡwˈænækɡˈuː, bˈoːɹdɚɹɪŋ ˈɛnɪˌæŋ, kənsˈɪsts ʌvðə kɹˈæɡi ɹˈɪdʒlaɪn ʌv ɡwˈænæksən ˌɛmtˈiː. ɡwˈænæk, wˌɪtʃ dˈɑːmᵻnˌeɪts ðə lˈoʊkəl dʒɪˈɑːɡɹəfi.