Hahamongna Watershed Park

Hahamogna Watershed Park is located at the Southeast corner of Oak Grove Drive and Foothill Boulevard. This 1300-acre park in the Arroyo Seco extends from Devil's Gate Dam north into the San Gabriel Mountains. Located near Jet Propulsion Laboratory between La Canada High School and Altadena in Northwest Pasadena.


  • Athletic field
  • 24-hole frisbee golf course
  • Bridle trail
  • Bicycle trail
  • Hiking trails
  • Picnic areas
  • Barbecue pits
  • Restrooms
  • Drinking fountains

Reserve picnic or frisbee areas here.

  • Only In Pasadena
  • Pet-Friendly

Hahamongna Watershed Park

4550 Oak Grove Dr.
Pasadena, CA 91011

  • Phone: (626) 744-7199