Cucamonga-Guasti

Address
800 N. Archibald Avenue
Ontario, CA 91764 United States Get Directions
Phone (909) 481-4205

Located in Ontario, CA where business and culture meet, Cucamonga-Guasti Regional Park provides 150 acres of outdoor recreation activities in an urban setting.

Enjoy a wide range of activities including two lakes for fishing, a swim complex with water slides, zero depth water play park, picnic tables and group picnic shelters for corporate events, large parties and family reunions.

Events at this venue

Today

  • A silhouette of a soldier stands near a lake and trees saluting holding the American flag.

    Veteran Appreciation Day at Parks

    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States +4 more

    San Bernardino County Regional Parks honors all county residents who are either a veteran or on active duty in the United States Armed Services, including reserves or National Guard, with free park admission on Tuesday, Nov. 11. Participating parks include Cucamonga-Guasti, Glen Helen, Mojave Narrows, Prado and Yucaipa Regional Parks...

  • In bold font at the top reads Witches Brew and S.T.E.A.M. in green bold font Halloween Experiments. There is an illustration of some magical stars. On the right is an illustration of a cauldron bottle with a cork and some liquid inside. The graphic has bubbles and stars as decoration on the right and left-hand sides. Underneath is Cucamonga-Guasti Regional Park, Saturday, Sept. 4, 1:30 p.m to 3:30 p.m. An illustration of a cat wearing a pointed purple witch’s hat is at the bottom left-hand corner.

    Witches Brew at Cucamonga-Guasti

    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States

    Join Regional Parks for some double, double, fun and trouble whipping up some of your own Witch’s Brew, Saturday, Oct. 4, from 1;30 p.m. to 3:30 p.m. at Guasti. Watch the cauldron bubble and steam with a magical exothermic reaction — don’t worry, it’s all safe science and super cool...

  • In designer font at the top reads San Bernardino County Regional Parks invites you to Page Pals & Petals. Underneath it reads Cucamonga-Guasti Regional Park. Underneath in the same designer font reads Saturday, Sept. 13, 1:30PM to 3:30 PM. Underneath are two illustrations of bookmarks and a binder notebook centered. To the left is a large illustration of a bookmark with an orange border with a string through the top and dark green leaf designs over a light tan background. There are colorful flowers in the lower left-hand corner.

    Page Pals & Petals at Guasti

    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States

    Join San Bernardino County Regional Parks where stories bloom and friendship marks the page. Come create your own personal bookmark with this new favorite activity at Cucamonga-Guasti Regional Park on Saturday, Sept. 13, from 1:30 p.m. to 3:30 p.m. Admission is $15 per vehicle. All ages are welcome and is...

  • Art in the Park: Sun Art at Cucamonga-Guasti Regional Park

    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States

    Create art with the power of the sun at our drop-in activity, no registration required! Join the San Bernardino County Regional Parks’ Team for a fun and unique Sun Art activity where nature and creativity come together! Using watercolors, flowers, and leaves, you’ll design your own masterpiece, and then let...

  • Splashpads and Snow Cones at Cucamonga-Guasti Regional Park

    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States

    Cool off & play the day away at our drop-in activity, no registration required! Join the San Bernardino County Regional Parks’ Team for a fun-filled day at the splash pad, complete with exciting games, refreshing snow cones, and a hands-on environmental science adventure! We’ll kick off the day with an...

  • Parks & Recreation Month Half-Price Day

    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States +4 more

    San Bernardino County Regional Parks invites you to celebrate National Park and Recreation Month on Friday, July 18, 2025, with $5 vehicle admission to Cucamonga-Guasti, Glen Helen, Mojave Narrows, Prado and Yucaipa Regional Parks.

  • Art in the Park: Rainbow Suncatchers at Cucamonga-Guasti Regional Park

    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States

    Get creative with us at our drop-in activity, no registration required! Join the San Bernardino County Regional Parks’ Team for a fun-filled day of crafting as we make beautiful rainbow suncatchers! Bring the whole family and let your creativity shine as you design your own colorful masterpiece to hang in...

  • An illustration of an assortment of birds on large leaves and grass with a boy looking through binoculars.

    All About Birds at Guasti

    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States

    Join us at Guasti Regional Park, Saturday, May 31, from 1 p.m. to 3 p.m. for a tour of the park to learn about the type of birds that are found throughout the park. Activities also include learning how to build a bird feeder and other arts & crafts. All...

  • An illustration of a park with trees, grass, blue sky, clouds, Easter eggs, a golden egg, flowers and the Easter Bunny.

    Easter Egg Hunt at Guasti

    Easter Egg Hunt at Guasti
    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States

    Rain or shine Regional Parks is excited to host its annual Easter eggstravaganza hunts on Sunday, April 20, at 10 a.m. and 1 p.m. Join us for the egg hunt and get a photo op with the Easter bunny at Cucamonga-Guasti, Glen Helen, Mojave Narrows, Prado and Yucaipa Regional Parks. Note: the duration...

  • An illustration of a park with trees, grass, blue sky, clouds, Easter eggs, a golden egg, flowers and the Easter Bunny.

    Easter Egg Hunt at Guasti

    Easter Egg Hunt at Guasti
    Cucamonga-Guasti 800 N. Archibald Avenue, Ontario, CA, United States

    Rain or shine Regional Parks is excited to host its annual Easter eggstravaganza hunts on Sunday, April 20, at 10 a.m. and 1 p.m. Join us for the egg hunt and get a photo op with the Easter bunny at Cucamonga-Guasti, Glen Helen, Mojave Narrows, Prado and Yucaipa Regional Parks. Note: the duration...