Grand Terrace, CA
Grand Terrace is a city in San Bernardino County, California, United States. The population was 12,040 at the 2010 census, up from 11,626 at the 2000 census. Grand Terrace is located between the cities of Riverside and San Bernardino along the I-215 corridor. The city is situated between two mountain ridges, Blue Mountain to the east, and La Loma Hills to the west.
The city was incorporated in 1978. Before then it was considered part of South Colton. Settlers date back to the 1800s
This 3.6-square-mile (9.3 km2) community has an average elevation of 1,065 feet (325 m). Its motto, inscribed on the city flag, is "The Blue Mountain City" (its official slogan is "A city set upon a mountain cannot be hidden"), and refers to the Blue Lupine flower that used to grow on Blue Mountain in the spring.