ɪmpˈɪɹijˌuːs ɹˈiːf, æt , lˈaɪz ɐbˌaʊt θˈɜːɾi fˈaɪv kˌeɪˈɛm saʊθwˈɛst ʌv klˈɜːk ɹˈiːf ænd ɪz ðə saʊθwˈɛstɚnmˌoʊst ʌv ɹˈoʊli ʃˈoʊlz.
Imperieuse Reef, at , lies about 35 km southwest of Clerke Reef and is the southwesternmost of Rowley Shoals.