Las Vegas's golf scene extends well beyond the neon-lit casino resorts, and the valley's surrounding terrain — volcanic ridges, Mojave Desert scrub, and the Spring Mountains rising to the west — creates a genuinely compelling backdrop for the game. A course called Mountain in this context almost certainly sits within that high-desert landscape, where elevation changes and rugged topography do the architectural heavy lifting that flat, manufactured resort courses have to simulate with mounding and water features.
Desert golf in the Las Vegas area tends to play firmer and faster than golfers from humid climates expect. The thin, dry air adds distance, the native terrain rewards course management over raw power, and the light — particularly in the late afternoon — gives the landscape a quality that's hard to replicate anywhere else in American golf.
Without a more specific address or operator, it's worth confirming which Mountain course this refers to, as the name appears in a few Las Vegas-area contexts. The setting alone, however, promises a par 72 that leans on the land rather than fighting it.