Hahamongna Watershed Park All Parks & Facilities »

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. Facilities include: an athletic field; 24 hole Frisbee golf course; and an extensive network of bridle, bicycle, and hiking trails; a dog park; numerous picnic areas and barbecue pits; restrooms; and drinking fountains.

How to reserve this park

Thank you for your interest in reserving a Pasadena Park/Facility for your event. It’s recommended that you apply at least thirty (30) days before your event date. Please follow steps 1 through 3 to submit your reservation request.

1. View all information on the City Facility/Park you would like to reserve including:

  • Park Layout (video or pdf)
  • Reservation fees
  • Items allowed/Items not allowed
  • Permits required
  • Insurance required
  • Additional requirements and deadlines

2. Log in to your ActiveNet account
To submit a Reservation Request, you must have a Customer Login Name and Password. Visit www.cityofpasadena.net/reserve to request an account. Accounts are generally approved within 24 hours.

3. Submit your reservation request with all requirements
You will receive an automatic confirmation after you complete your request. Do not pay any fees until you are contacted by park reservations staff. To receive your facility permit timely please provide the park reservations staff with all requirements by the deadline provided.

Reservation Fees
Reservable Area Individual / Private Commercial Non-Profit
24 Hole Frisbee Golf Course

Capacity: 100

Resident
$56.00 per Hour $113.00 per Hour $56.00 per Hour
Non – Resident
$113.00 per Hour $170.00 per Hour $86.00 per Hour
Reservable Area Individual / Private Commercial Non-Profit
Multi-Purpose Field

Capacity: 50 guests

Resident
$56.00 per Hour $113.00 per Hour $56.00 per Hour
Non-Resident
$113.00 per Hour $170.00 per Hour $86.00 per Hour
Reservable Area Individual / Private Commercial Non-Profit
Picnic Area East

Capacity: 50 guests

Resident
$55.00 (0-4 Hours) $55.00 (0-4 Hours) $55.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours)  $41.00 (4+ Hours)
Non-Resident
$111.00 (0-4 Hours) $111.00 (0-4 Hours) $111.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours) $41.00 (4+ Hours)
Reservable Area Individual / Private Commercial Non-Profit
Picnic Area Street Level 1

Capacity: 25 guests

Resident
$55.00 (0-4 Hours) $55.00 (0-4 Hours) $55.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours) $41.00 (4+ Hours)
Non-Resident
$111.00 (0-4 Hours) $111.00 (0-4 Hours) $111.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours) $41.00 (4+ Hours)
Reservable Area Individual / Private Commercial Non-Profit
Picnic Area Street Level 2

Capacity: 25 guests

Resident
$55.00 (0-4 Hours) $55.00 (0-4 Hours) $55.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours) $41.00 (4+ Hours)
Non-Resident
$111.00 (0-4 Hours) $111.00 (0-4 Hours) $111.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours) $41.00 (4+ Hours)
Reservable Area Individual / Private Commercial Non-Profit
Picnic Area Street Level 3

Capacity: 25 guests

Resident
$55.00 (0-4 Hours) $55.00 (0-4 Hours) $55.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours) $41.00 (4+ Hours)
Non-Resident
$111.00 (0-4 Hours) $111.00 (0-4 Hours) $111.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours)  $41.00 (4+ Hours)
Reservable Area Individual / Private Commercial Non-Profit
Picnic Area West

Capacity: 50 guests

Resident
$55.00 (0-4 Hours) $55.00 (0-4 Hours) $55.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours) $41.00 (4+ Hours)
Non-Resident
$111.00 (0-4 Hours) $111.00 (0-4 Hours) $111.00 (0-4 Hours)
$41.00 (4+ Hours) $41.00 (4+ Hours)  $41.00 (4+ Hours)
Items Allowed/Items Not Allowed
Reservable Area Items Allowed Items Not Allowed
Picnic Area East

(Items listed require a Permit or Insurance)

  • Charcoal and gas grill
  • Recorded and live amplified music
  • Tents/canopies
  • Petting zoos, pony rides, live animals
  • Catering
  • Generator
  • Entertainers
  • Other vendors (case by case basis)
  • Sports
  • Moon bouncers
  • Water activities
  • Electric or motorized vehicles
  • String or tape ties
  • Event signage may not be nailed or stapled on trees, signs, buildings or other City Property

 

Reservable Area Items Allowed Items Not Allowed
Picnic Area Street Level 1

(Items listed require a Permit or Insurance)

  • Charcoal and gas grill
  • Recorded and live amplified music
  • Tents/canopies
  • Petting zoos, pony rides, live animals
  • Catering
  • Generator
  • Entertainers
  • Other vendors (case by case basis)
  • Sports
  • Moon bouncers
  • Water activities
  • Electric or motorized vehicles
  • String or tape ties
  • Event signage may not be nailed or stapled on trees, signs, buildings or other City Property

 

Reservable Area Items Allowed Items Not Allowed
Picnic Area Street Level 3

(Items listed require a Permit or Insurance)

  • Charcoal and gas grill
  • Recorded and live amplified music
  • Tents/canopies
  • Petting zoos, pony rides, live animals
  • Catering
  • Generator
  • Entertainers
  • Other vendors (case by case basis)
  • Sports
  • Moon bouncers
  • Water activities
  • Electric or motorized vehicles
  • String or tape ties
  • Event signage may not be nailed or stapled on trees, signs, buildings or other City Property
Reservable Area Items Allowed Items Not Allowed
Picnic Area West

(Items listed require a Permit or Insurance)

  • Charcoal and gas grill
  • Recorded and live amplified music
  • Tents/canopies
  • Petting zoos, pony rides, live animals
  • Catering
  • Generator
  • Entertainers
  • Other vendors (case by case basis)
  • Sports
  • Moon bouncers
  • Water activities
  • Electric or motorized vehicles
  • String or tape ties
  • Event signage may not be nailed or stapled on trees, signs, buildings or other City Property
Reservable Area Items Allowed Items Not Allowed

 

Multi-Purpose Field

 

  • Adults and Youth
  • Softball
  • Soccer
  • Flag football
  • Rugby practice no games
  • La Crosse
  • Volleyball
  • Frisbee
Reservable Area Items Allowed Items Not Allowed
24 Hole Frisbee Golf Course
  • Frisbee
  • Special Events
Additional Requirements & Deadlines

Payments:

  • All balances must be paid 15 business days prior to the event date
  • Online payments are accepted
  • Telephone Payments are accepted with credit card and I.D. information
  • Walk-in payments are accepted with checks (payable to the City of Pasadena) cash (exact amount)

Sound:

  • If you are having sound at your event you will need to complete the Amplified Sound Form
  • Provide a picture of the equipment to be used
  • You will be required to have a sound monitor presented to monitor the sound decibel

Alcohol:

Insurance:

Event insurance is required for:

  • Any heavy equipment (e.g. moon bounce)
  • Groups of 100 or more
  • Any group using sports fields
  • Serving alcohol
  • Petting zoos, pony rides or live animals (other than domestic pets)
  • An event that is catered or using other vendors
  • Insurance Samples

To purchase insurance, please visit https://securetulipinsurance.com/Pasadena.

Polystyrene Food Packaging:

  • Affective August 22, 2016 the City ban the use of polystyrene food packing within Pasadena: Polystyrene Food Packaging Ordinance (PMC 8.67).
  • City sponsored and permitted events must stop using polystyrene food packaging/ foam type (code PS or #6).
  • Alternative options available include; aluminum, coated and uncoated paper products, plastics 1 – 5.

Security Deposit:

  • The Event Security Deposit is refundable if there’s no damage to the facility.
  • Deposit refunds will be processed within 4 business days after the event date.
  • A check is mailed to you through U.S. Mail 3-4 weeks after your event.

Cancellation:

  • Cancellation request must be received in writing no less than 10 business days before the event date to receive a refund minus the deposit amount.
  • Customer will forfeit all fees paid if less than 10 business days.
  • Cancellation refunds will generally be processed within 4 business days after written cancellation is received.

SUBMIT A RESERVATION REQUEST


Amenities

Sports Fields:
  • Multi-Purpose Field
Recreation Areas:
  • Outdoor Activities
  • Paths/Trails
  • Picnic Area
Facilities:
  • Drinking Fountains
  • Parking Lot
  • Restrooms
Image of picnic area at Hahamongna Watershed Park

Address
Southeast corner of Oak Grove Drive and Foothill Boulevard,
La Cañada Flintridge, CA 91011
Maps & Directions

Phone
(626) 744-7500

Hours of Operation
Mo-Su Dawn To Dusk

Park Layout
Download PDF