| Rumiwasi Phaqchayuq | |
| Coordinates: | -13.5194°N -71.9403°W |
| Location: | Peru, Cusco Region |
| Region: | Andes |
Rumiwasi (Quechua rumi stone, wasi house,[1] "stone house", hispanicized spelling Rumihuasi) or Phaqchayuq (Quechua phaqcha waterfall,[1] -yuq a suffix to indicate ownership, "the one with a waterfall", hispanicized Phaqchayoc) is an archaeological site in Peru. It is located in the Cusco Region, Cusco Province, San Sebastián District, north of the central square of San Sebastián.[2]