The Puente Hills Habitat Authority Preserve hours are changing effective Monday, September 18, 2017… please make note.

June – September 9 AM – 6 PM

October – May 9 AM – 5 PM

This applies to Sycamore Canyon, Hacienda Hills, and Turnbull Canyon trail access points.  It is already in effect at Hellman Park.  Violators subject to $175 – $1,000 fine.