Cucamonga-Guasti Regional Park
800 N Archibald Ave, Ontario, CA 91764 909.387.2757PARK HOURS
- News Update: Cucamonga-Guasti is open on a limited scale.
- Due to an office fire, the phone system is currently down. Please call our main office at 909.387.2757.
- Limited restroom availability.
- Visit COVID-19 Park Rules for park restrictions.
- Closed: Christmas Day
Winter
- Daily: 7:30 AM to 5 PM
- Closed Christmas Day
Summer (Memorial weekend through Labor Day weekend)
- Monday-Friday: 7:30 AM to 5 PM
- Saturday-Sunday: 7:30 AM to 7 PM
Cucamonga-Guasti Regional Park, located blocks away from LA/Ontario International Airport in Ontario offers a great low-cost get away from the hustle of the city for a day of family fun.
The park provides 150 acres of outdoor recreation activities in an urban setting. There is a wide range of activities including two lakes for fishing, a swim complex with water slides, splash pad, picnic tables and group picnic shelters for corporate events, large parties and family reunions.

Portions of Cucamonga-Guasti Regional Park will be under construction
Beginning Dec. 21, 2020 through March 12, 2021
Parking and some walking paths may be limited while we make ADA upgrades to the park.
Activities
Boating and Water Sports
Cucmaonga-Guasti Regional Park offers a wide range of recreational boating and water sports such as peddle boats, row boats and canoes.
PEDDLE BOATS
- The peddle boats are operated by Pedal Port. For pricing or more information, visit pedalport.biz
Fishing
Cucamonga-Guasti Regional Park offers the sport of fishing year-round at our two lakes. We stock trout from November to April and Catfish from May to September. A California state fishing license is required to fish at our parks and we offer fishing workshops and derbies throughout the year.
The lakes are stocked every Thursday, weather permitting. The area of the lake being stocked is closed, but the rest of the lake is open.
Swimming
Cucamonga-Guasti Regional Park offers summer heat relief at our pool and water slides. The pool is open on Memorial Day weekend and closes Labor Day weekend. Check with park for summer hours. All our pools are monitored by lifeguards.
Pool Amenities
- 220-foot double-flume water slide (handicapped accessible)
- One-half acre swim lagoon
- Grassy area for sun bathing and picnics
Amenities

Water Slides
Cucamonga-Guasti Regional Park offers visitors off all ages to come out during the summer and make a splash in our adventurous water slides. Our slides are open from Memorial Day weekend through Labor Day weekend each year. Our slides are handicap accessible.
Height Minimum Requirement
Children must be 48″ to ride water slides.
Slide Amenities
- 220-foot double-flume water slide (handicapped accessible)
- Grassy area for sun bathing and picnics

Swimming Pool
Cucamonga-Guasti Regional Park pool is open on Memorial Day weekend and close Labor Day weekend. The pool is monitored by lifeguards. Our pool is handicap accessible.
Pool Amenities
- One-half acre swim lagoon
- Grassy area for sun bathing and picnics
Picnic Shelters
Cucamonga-Guasti Regional Park serves as great site for your next event, family gathering or company picnic. This park offers four large covered picnic shelters and two small covered shelters to rent. In addition, we offer picnic tables throughout the park as well as barbecue grills.
Fees are dependent on the type of event and amount of space needed. Some events will require an Interim Use Permit Please contact us directly for more information.

Playground
Cucamonga-Guasti Regional Park offers open spaces and safe, clean playgrounds for youth and families to enjoy while promoting the building blocks of social interaction.
Splash Pad
Cucamonga-Guasti Regional Park offers a splash pad for water play. This area is a zero-depth water playground for children of all ages to enjoy.

Cabanas
Cucamonga-Guasti Regional Park offers cabanas at this location on a first-come, first-serve basis. Contact us to for rental pricing.
Admission Fees
Fees subject to change.
Park Entrance
- Vehicles
Monday – Fridays (excluding holidays and special events) $8.00
Weekends and Holidays (excluding special events) $10.00
- Pedestrian
$3.00/person
- Dogs
$1.00/dog. Must be on 6′ leash at all times. (Fee does not apply to assistance dogs for qualified individuals with a disability)
Annual Entrance Passes
- $125.00 – Mulit-Park Pass. Valid for 12
months from date of purchase, excludes special events & holidays. (Valid
at all parks except Lake Gregory, Moabi and Calico.)
- $60.00- Individual Park Pass. Valid for 12
months from date of purchase, excludes special events & holidays. (Valid at
Cucamonga- Guasti Regional Park ONLY!)
- $100.00 – Senior Citizen/ Qualified
Individual with a Disability, veterans and active-duty personnel in the United
States Armed Services Annual Vehicle Entrance Pass. Valid for 12 months
from date of purchase, excludes special events & holidays. (Valid at
all parks except Lake Gregory, Moabi and Calico.)
- $25.00- Pedestrian Annual Pass. Includes one (1) dog. Valid for 12 months from date of purchase, excludes special events & holidays. (Valid at all parks except Lake Gregory, Moabi and Calico.)
Fishing Fees
- Monday-Wednesday Daily Fishing Permit: $10.00/person, all ages.
- Thursday – Sunday Daily Fishing Permit: $12.00/person, all ages.
- All Ages Fishing Derby: $20.00 per person.
Swimming and Water Slide Fees
- Call park for days and hours of operation.
Swim entrance
- Friday – Sunday $7.00/person age 4 years and older. (Excluding Holidays and Special Events). Children 3 and under are free.
Water Slide
- Single ride token, $2.00
- Swim Admission plus All Day Water slides – $12.00 (Excluding Holidays and Special Events)
- Swim Admission plus All Day Water slides – $17.00 (Holidays weekends and Special Events)
- Must be at least 48″ tall to ride slide. Contact park for days and hours of operation.
Day Use Education Excursion Program
- Groups with twenty (20) or more youths sponsored
by established public or private institutions, such as schools, churches,
Boy/Girl Scouts, YMCA/YWCA, are eligible for a group rate providing a confirmed
reservation is made with the park 48 hours in advance of arrival.
- Entrance fee – $3.00 per person (cannot be used
with any other discount).
- Swimming fee, weekdays only, except holidays and
special events – $3.00 per person, Adults and youth.
- Children (three and under) No charge.
Picnic Reservation Fees
Fees may be different then listed due to the nature of your event. Some events will require an Interim Use Permit. Call the park for more information.
- Large group shelter – $400.00
- Small group shelter – $100.00
- Non-refundable reservation fee: $7.00
Fees* are non-refundable if the shelter is canceled less than 30 days before reservation date.
Liability insurance required for picnic shelter reservations. Please ask Reservation Office for details.
Upcoming Events
News

San Bernardino County Director of Regional Parks Beahta Davis stands near the Prado Regional Park boat dock that she wants to replace on Friday, Oct. 18, 2019. (Photo by Cindy Yamanaka, The Press-Enterprise/SCNG) By Sandra Emerson | semerson@scng.com Link to the story When Beahta Davis first toured San Bernardino County’s…
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Contact
Have a question? Give us a call:
Cucamonga-Guasti Regional Park
909.481.4205
800 N Archibald Ave, Ontario, CA 91764