Cucamonga-Guasti Regional Park is located in Ontario, California. The regional park is 10 acres and provides residents of Ontario with a place for outdoor activities for the residents of Ontario. The park includes two lakes for fishing as well as a swimming complex. But if water sports are not your thing, the park also has plenty of picnic tables and even a group picnic shelter area that is great for large parties, or even family events.
800 N. Archibald Avenue
Ontario, CA 91764
I-10 at Archibald Exit
Hours of Operation & Seasons
Sunday: 7:30 a.m.-5:00 p.m.
Monday: 7:30 a.m.-5:00 p.m.
Tuesday: 7:30 a.m.-5:00 p.m.
Wednesday: 7:30 a.m.-5:00 p.m.
Thursday: 7:30 a.m.-5:00 p.m.
Friday: 7:30 a.m.-5:00 p.m.
Saturday: 7:30 a.m.-5:00 p.m.
During the summer hours the Cucamonga-Guasti Regional Park does have extended hours on the weekends
Saturday: 7:30 a.m.-7:00 p.m.
Sunday: 7:30 a.m.-7:00 p.m.
Fees & Passes
Monday – Fridays (excluding holidays and special events) $8.00
Weekends and Holidays (excluding special events) $10.00
$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 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.)
Mon – Thu Daily Fishing Permit: $10.00/person, all ages.
Fri – Sun Daily Fishing Permit: $12.00/person, all ages.
All Ages Fishing Derby: $20.00 per person
Swimming and Waterslide Fees
Call park for days and hours of operation.
Friday – Sunday $7.00/person age 4 years and older. (Excluding Holidays and Special Events). Children 3 and under are free.
Single ride token, $2.00
Swim Admission plus All Day Waterslides – $12.00 (Excluding Holidays and Special Events)
Swim Admission plus All Day Waterslides – $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 with 1/2 acre of open space – $400.00
Small group shelter with 1/2 acre of open space – $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.
Fees subject to change.
For more information on your next visit to the park please contact the park.
Phone: (909) 481-4205