The Sierra Madre Historical Wilderness Area was established by declaration of the City Council on January 24, 1967. When it was dedicated on January 27, 1968, Sierra Madre was the first city in Southern California to own a wilderness preserve. The Sierra Madre City Council added the Mt. Wilson Trail to the Sierra Madre Register of Historic Cultural Landmarks on October 12, 1993.
The Sierra Madre Historical Wilderness Area was established by declaration of the City Council on January 24, 1967. When it was dedicated on January 27, 1968, Sierra Madre was the first cit.y in Southern California to own a wilderness preserve The Sierra Madre City Co.uncil added the Mt Wilson Trail to the Sierra Madre Register of Historic Cultural Landmarks on October 12, 1993.