Henry Moses Aquatic Center

Contact Information

Henry Moses Aquatic Center will be opening on June 26th, 2021. We are eager to offer aquatic activities to keep you splashing throughout the summer months. We are finalizing our operational and program schedule to allow for a safe experience while adhering to the Washington State’s Roadmap to Recovery Phased Reopening Plan. For summer 2021 we will be operating under a significantly modified capacity, thank you for your understanding.

*Please note that all Henry Moses Aquatic Center admissions will be made through the Recreation and Neighborhood registration website beginning June 14th. We cannot accommodate walk-ups for admission of any type.*

The Governor’s Healthy Washington—Roadmap to Recovery plan, updated April 9, 2021, can be found here:


Each summer, from mid-June through Labor Day, nearly 75,000 people come through the gates of the Henry Moses Aquatic Center (HMAC) to enjoy an assortment of splish-splash activities.

HMAC is located on Maple Valley Highway, just east of I-405 in the Northeast corner of the Cedar River Park.

HMAC offers a multitude of camps, lessons, programs, and special events that combine fitness and water play to create an enjoyable and relaxing atmosphere. Watch for the Summer 2021 "Let's Go" brochure for hours of operation and program details.

Through our diverse audience a variety of suggestions have been made in regards to the operations of the park. By analyzing these comments from past seasons, modifications have been implemented that we’re excited for you to experience. We continue to collect feedback and strive to improve your experience at the HMAC.


Email your comments to recreation@rentonwa.gov.

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