Gualo' Rai is a slope located in Saipan County, Commonwealth of the Northern Mariana Islands. It appears on the Saipan OE W USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 102.32 feet (31.19 m) above sea level. The nearest populated place is Gualo Rai, approximately 0.1 miles to the SSE.