ɪnðə lˈoʊɚɹ ˌɛlɪvˈeɪʃənz ðə wˈɔːlz ʌvðɪ ɪskˈɑːɹpmənt ɑːɹ flˈæɾɚ bˌʌt ðiːz stˈiːpən ʃˈɑːɹpli wɪð ˌɛlɪvˈeɪʃən ʌntˈɪl ðə vˈæli wˈɔːlz ɑːɹ nˌɪɹli vˈɜːɾɪkəl æt ðə tˈɑːp.
In the lower elevations the walls of the escarpment are flatter but these steepen sharply with elevation until the valley walls are nearly vertical at the top.