The official elevation of the city is , the same elevation of the historic Newhall Airport which was northwest of Via Princessa and Railroad Avenue from the 1930s through the 1950s. Elevation varies substantially throughout the city. The lowest point in Santa Clarita is where CA-126 meets I-5 (), at an elevation of . The highest point within the city limits is in the San Gabriel Mountains south of Sable Ranch () at an elevation of . Most populated areas in the city are above sea level, however, the highest residential areas of Canyon Country exceed .