About Hahamongna Watershed Park
Hahamongna Watershed Park is located at the Southeast corner of Oak Grove Drive and Foothill Boulevard. Hours of operation are from 6:00 am to sundown. Located near Jet Propulsion Laboratory between La Canada High School and Altadena in Northwest Pasadena. This 1300-acre park in the Arroyo Seco extends from Devil’s Gate Dam north into the San Gabriel Mountains.
Services
Hiking Trails Biking Trails Horseback Riding Trails Disc Golf Picnic Areas Barbecue Areas Bird Watching Nature Walks Wildlife Viewing Athletic Fields Soccer Fields Baseball Fields Softball Fields Equestrian Facilities Walking Trails Restrooms Drinking Fountains Group Picnic Reservations Outdoor Recreation Environmental Education Photography Open Space RecreationReviews
Very nice walk. This side of the park is pretty flat and easy to walk. I think it is good for a nice stroll for the elderly and also seems safe biking paths for kids.