bˈɑːntʃɜːtʃ ɪz sˈɪtʃuːˌeɪɾᵻd ˌɔn ɐ stˈeɪbəl sˈɛkʃən ʌv fˈɔːɹmɚ lˈændslɪp, ɪts mˈeɪn stɹˈiːt bˈɑːntʃɜːtʃ vˈɪlɪdʒ ɹˈoʊd ɹˈʌnɪŋ ˈiːst wˈɛst ɪn ɐ vˈæli ʃˈɛltɚd tə ðə nˈɔːɹθ baɪ klˈɪfs, ænd tə ðə sˈaʊθ baɪ ðə mˈaʊnt, ɐ ɹˈɪdʒ ʌv slˈɪpt ɹˈɑːk.
Bonchurch is situated on a stable section of former landslip, its main street (Bonchurch Village Road) running east–west in a valley sheltered to the north by cliffs, and to the south by The Mount, a ridge of slipped rock.