The Los Angeles County Arboretum and Botanic Garden, 127 acres (51.4 ha), is an arboretum, botanical garden, and historical site nestled into hills near the San Gabriel Mountains in Arcadia, California, United States. Open daily, it only closes on Christmas Day. The Arboretum is located across the street from Santa Anita Park, the horse racetrack, and The Shops at Santa Anita. The Arboretum is sited on a remaining portion of the Rancho Santa Anita, one of the Mexican land grants of Southern California. Rancho Santa Anita was unusual in that it was located above a large part of the Raymond Basin aquifer. Three sag ponds and numerous springs were found in the area and the only remaining one is now called Baldwin Lake. Lacy Park in the city of San Marino once was another sag pond and the precise location of the third is not known but may have been on the grounds of the Huntington Library and Botanic Garden. As a consequence of the relative abundance of water, it was important area in prehistory as a year-round source of water, the body of water known as Baldwin Lake and the other sag ponds attracted both waterfowl and other animals as well as Native Americans. Not surprisingly the presence of water and game created a permanent Native American habitation in the area and is believed to have been the location of the Tongva village of Aleupkigna. The close proximity to the nearby San Gabriel Mission may have led to the construction of a small seasonal dwelling at the Arboretum site for shepherds or hunters which ultimately led to the construction of a modest adobe structure. More information...
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