San Dimas Community Information
San Dimas was originally inhabited by the Tongva Native Americans for over 8,000 years. The area was first developed in 1837 by Ygnacio Palomares and Ricardo Vejar, through a Mexican land grant from Governor Juan Bautista Alvarado. The area soon became known as the La Cienega Mud Springs, named after the local mud springs. La Cienega Mud Springs was first mapped by the Santa Fe Railroad in 1887. It was at this time the area was given the name of San Dimas. The name San Dimas originates from the Saint Dismas, the repentant and crucified thief. San Dimas was incorporated as a city in 1960.
San Dimas is conveniently located by the 210, 10 and 57 freeways. The city of San Dimas prides itself for its small town feel and for it equestrian friendly atmosphere. San Dimas is home to Raging Waters, one of the largest water parks in California.