Keywords PeruIca drainageInca Empireanthropogenic wetlandhydrological technology Type Research Article Information Antiquity , Volume 96 , Issue 389 , October 2022 , pp. 1251 - 1271 Creative Commons This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.