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Silliman Front

George M. Silliman Community Activity Center

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George M. Silliman Community Activity Center
6800 Mowry Avenue
Newark, CA  94560
(510) 578-4620

The George M. Silliman Community Activity Center offers an array of recreational activities from indoor swim and pool activities, to indoor basketball, fitness room, dance, game zone, and meeting room rentals.



 Fitness Center and Gymnasium:

 Facility Drop In Fees: 

 Infant/Toddler ( 0-2 yrs)   Guest (3+ yrs)
 General Admission $3.00  General Admission $9.00 ($10.00 starting 01/06/20)

* Anyone going inside the Water Park is required to pay the Drop-In Fee regardless if they are swimming or not. Those wishing to sit in the lobby and watch through the large glass windows will not be charged a fee. 

Fitness Center

 Days   Hours of Operation 
 Monday - Friday   6:00 a.m. - 9:00 p.m
 Saturday   6:30 a.m. - 7:00 p.m.
 Sunday  6:30 a.m. - 5:30 p.m.


Gymnasium Hours

 Days   Hours of Operation
 Monday - Friday 6:00 am - 3:00 pm (Drop In)
 Monday - Friday 3:00 pm - 9:00 pm (Priavte Rentals & Classes)
Saturday/Sunday 6:30 am - 8:30 am (Drop In)
Saturday 8:30 am - 6:30pm  (Private Rentals & Classes) 
Sunday 8:30 am - 5:30 pm (Private Rentals & Classes)


*Check our Facebook Page for additional hours or court availability.

Registration Hours

No registrations accepted between 12:00 p.m. - 1:30 p.m.

Days Hours of Operation
Monday - Friday 8:00 a.m. - 12:00 p.m. / 1:30 p.m. - 8:00 p.m.
Saturday - Sunday 8:00 a.m. - 12:00 p.m.


Holiday Hours / Closures

01/20 & 02/17
Holiday Hours:                    6:00 am - 5:00 pm


Game Zone

Days Hours of Operation
Monday - Thursday 6:00 a.m. - 8:00 p.m.


6:00 a.m. - 3:00 p.m.
4:00 p.m. - 8:30 p.m. 6th-12th grade ONLY

Saturday & Sunday Closed for party rentals


** Game Zone Hours: Might change due to summer camps and or classes and will be closed during those times. Please check at the front desk before paying for entry.

The George M. Silliman Community Activity Center is home to the popular Silliman Family Aquatic  Center.

Silliman Family Aquatic Center Hours

* We are not responsible for hours listed on Non-City of Newark pages such as google search. Please verify all hours listed on other sites before making your trip!

Ollie's Poolside Cafe open on weekends only.

Release of Liability

I understand that my (or my minor child’s/ward’s) participation in any City activity is voluntary. Further, I understand that participation can be a hazardous activity. I agree that neither I, my successors, assigns, nor anyone acting on my behalf will hold the City of Newark, its officers, agents, employees, or volunteers liable for any injury, accident, or illness arising out of my (my minor child’s/ward’s) voluntary participation. I hereby release the City of Newark, its officers, agents, employees, or volunteers from and against any and all claims, cost liabilities, expenses, or judgments, including attorney’s fees and court costs arising from my (my minor child’s/ward’s) participation in the program/activity or any illness/injury resulting there from, and hereby agree to any and all such claims, whether caused by negligence or otherwise. I further understand that the City of Newark is not responsible for Workers Compensation benefits as a result of any injury or illness due to my (my minor child’s/ward’s) voluntary participation in this activity. The City of Newark reserves the right to photograph/video facilities, activities, and program participants for potential use in advertising/marketing purposes such as but not limited to brochures and the City’s web page without participant compensation. All advertising/marketing items will remain the property of the City of Newark.


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