Parker H2O'Brien Pool 

H2O'Brien Pool is closed for the season. 

H2O'Brien Outdoor Pool features two 182' water slides, a waterworks play structure, a spray garden, sprays and geysers, a circulation and lap pool, a concession area and a shade pavilion. Individuals of all ages will enjoy this spectacular pool!

Event Days

New to H2O'Brien Pool are Event Days throughout the summer. Learn to be a Lifeguard, showcase your art talents during Art Deck Days, win a prize with Duck Races and Cannonball Splash Contests! Click here to view the summer Event Day schedule. 

For more information during the off-season, please call the Parker Parks and Recreation Department at 303.841.4500.

Daily Admission

Ages 2 and under - Free

Ages 3 to 9 - $4 R/$4.50 NR 

R = Parker Resident, NR = Non-Resident

 Ages 10 to 61 - $5 R/$5.50 NR  

Ages 62 and over - Free 

Get H2O'Brien Pool season memberships and passes.

Little Squirts

9 to 10 a.m., Monday through Friday, "Little Squirts" 48 inches and shorter and their adult caregivers may come to the pool the hour prior to Open Swim to enjoy a more relaxed atmosphere. Little Squirts may stay for Open Swim. Regular admission fees apply. Sorry, no minors taller than 48 inches will be admitted during this hour.

Adult/Open Lap Swim

Swimmers 16 and older can swim laps during Adult/Open Lap Swim, Monday through Friday from 8 to 10 a.m. Lanes may be limited due to programming. Regular admission rates apply or lap swim is free with your Parker Recreation membership.

Water Slides

Riders must be 48" to ride red slide and 52" to ride blue slide. Only one rider is allowed on the slide at a time. Goggles, fins or life jackets are not permitted on slides

Groups and Rentals

Field trips, parties and full rentals are available! Get facility rental information. Group rates for 10 or more are available with advance notice, get admission and season pass rates.

Swimming Lessons

Parker Aquatics is proud to partner with the American Red Cross to offer small group swimming lessons for children aged 6 months to 12 years, teenagers and adults. Click here for Group and Private Swim Lesson details.

Pool Policies

View H2O'Brien Pool general rules. Pool rules and policies are also posted at H2O'Brien Pool. Patrons are responsible for reading and obeying all posted rules. Due to capacity restrictions, all patrons entering the facility must pay admission. Children under 10 must have direct supervision. Kids ages 10 to 13 at the pool without a parent must be signed in. Only U.S. Coast Guard (USGC) approved flotation devices may be used in the pool. Food, drinks and coolers are allowed, however, glass containers and alcohol are prohibited.

Safety Breaks

Safety checks are held daily at 12:50, 2:50 and 4:50 p.m. for 10 minutes. All patrons must exit the water and remain five feet away from the edge.


H2O’Brien may delay opening or close due to inclement weather. Refunds are not given for inclement weather. Thunder or lightning in the area may prompt the closing of H2O'Brien Pool. When Thunder or lightning is heard/seen, the pool will close for 30 minutes. The closure will be extended 30 minutes for each consecutive thunder or lightning event. To receive push notifications on your phone regarding H2O'Brien Pool closures, download our FREE mobile app here,