Program Information San Bernardino County is located in the heart of Southern California, home to over 2 million residents, encompassing 20,160 square miles from the Nevada State line and the Colorado River to the LA County line. This gives San Bernardino County a diverse climate and geography, from mountains as high as 11,502 feet, to the desert as low as 181 feet, and beautiful valleys in between. Pristine lakes and rivers, snow-capped mountain resorts, flowering deserts, and many other family-oriented recreational attractions take advantage of the natural assets of the area, most within an hour's drive. Families enjoy affordable housing, excellent schools, colleges and universities, and easy access to airports, hospitals, libraries, and parks. The County provides a safe, clean and healthy environment for residents. A variety of shopping and business opportunities abound, in this, the largest County in the contiguous United States.