Where is Summerlin South Nevada? What County is Summerlin South in

Summerlin South or South Summerlin, also seen on maps as South Summerlin, is a census-designated place (CDP) in Clark County, Nevada, United States, on the western edge of Las Vegas and in the adjacent Red Rock Canyon National Conservation Area.

Is Summerlin South a good neighborhood?
What is considered Summerlin South?
Is Summerlin north or south Nevada?
Is Summerlin a part of Vegas?