The Los Angeles County Arboretum and Botanic Garden, 127 acres, 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.

When did the arboretum open?

1955 The Arboretum is formally opened to the public (Jan.

Why was the arboretum built?

Following the devastating bushfires in 2003 which burnt a significant area of the A.C.T, including residential areas and the pine plantations, the Australian Capital Territory government (in consultation with the community and experts), determined the establishment of a national arboretum as the best future use of the ...