What as part of its National Landscape Conservation System, and  protected as a National Conservation Area is located in the western part of Las Vegas?
The Lakes, Las Vegas:  It is located in the western part of the Las Vegas Valley near the Spring Mountains and Red Rock Canyon National Conservation Area. Red Rock Canyon National Conservation Area: The Red Rock Canyon National Conservation Area in Nevada is an area managed by the Bureau of Land Management as part of its National Landscape Conservation System, and protected as a National Conservation Area.
Red Rock Canyon