Airport Rock Springs Sweetwater County is located in United States near the city of Rock Springs. The international codes of Rock Springs Sweetwater County airport are ICAO: KRKS and IATA: RKS. Rock Springs Sweetwater County is located at latitude 41.5942 and longitude -109.065. The elevation above sea level is 6760ft (2060m). Local timezone at the airport is UTC/GMT -6:00 hours.