Thornhill Outdoor Pool
Vaughan's outdoor pool opens seasonally from mid-June to Labour Day.

Thornhill Outdoor Pool opens for the season on Saturday, June 14
Get ready for a summer of fun at Thornhill Outdoor Pool! We’re opened on weekends only beginning Saturday, June 14, and making it extra special for kids (and kids at heart). Expect music, water games, and FREE freezies for swimmers (while supplies last) — because nothing says summer like a popsicle by the pool! The weekends-only schedule runs until Sunday, June 29. The pool opens for daily use starting Monday, June 30 until Labour Day (Monday, Sept. 1).
June 14-29 (weekends only)
ACTIVITY | Time |
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Aquafitness | 8-8:45am |
Length swims | 9am-12pm and 5:15-7pm |
Parent and tot swim | 10-12pm |
Recreational swims | 12:45-2:15pm and 2:30-4pm |
Welcome to Thornhill Outdoor Pool!
Thornhill Outdoor Pool is located at 26 Old Yonge St. at the northwest corner of Yonge and Centre streets. It features a 30-metre, five-lane swimming pool, as well as an accessible shallow-water wading pool with beach entry. The facility is wheelchair accessible. Family changing room, shade structure, picnic table and benches are available onsite. Parking is free.
Swimming Pool
- Pool temperature: 28.3°C to 28.9°C (83°F to 84°F)
- 30-metre, five-lane main pool
- family change room
Accessibility
- ramp access
- shallow-water wading pool with beach entry
- wheelchair accessible
Contact Information
Thornhill Outdoor Pool
26 Old Yonge St.
Vaughan, ON L4J 1E9
Phone: (905) 881-2969
Krista Flynn
Recreation Supervisor
Email: krista.flynn@vaughan.ca
Phone: (905) 832-2281, ext. 7204
Register for drop-in programs at Thornhill Outdoor Pool
Registration for drop-in recreation swim, length swim and aquafitness programs begins one week in advance of all scheduled swims (four days in advance for non-residents).
Frequently Asked Questions
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Answer
Registration and pre-payment for drop-in recreation swim, length swim and aquafitness are available one week in advance (four days for non-residents) of all scheduled swims. You must have a PerfectMind account to register. Limited spots are made available for walk-ins.
Thornhill Outdoor Pool is cashless. Debit, credit or cheque are the only acceptable forms of payment.
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Answer
June 14-29 (weekends only)
ACTIVITY Time Aquafitness 8-8:45am Length swims 9am-12pm and 5:15-7pm Parent and tot swim 10-12pm Recreational swims 12:45-2:15pm and 2:30-4pm Holiday Hours (Canada Day, Simcoe Day, Labour Day)
ACTIVITY Time Aquafitness 10-10:45am Length swim 11am-12pm Recreational swims 12:30-2:30pm, 2:45-4:45pm, 5-7pm Summer Schedule (starting June 30)
Aquafitness
DAY Time Monday-Friday 8:45-9:30am Monday, Wednesday and Friday 9:45-10:30am Tuesday & Thursday 7:50-8:35am, 6:15-7pm Saturday & Sunday 8-8:45am, 5:15-6pm*, 6:15-7pm* *Alternating between Saturday and Sunday each week
Length Swim
DAY Time Monday-Friday 10:45-11:45am Monday, Wednesday, Friday 7:30-8:30am, 10:45-11:45am, 6:15-7:15pm Tuesday & Thursday 9:45-10:45am Saturday & Sunday 9-10am, 10-11am, 11-12pm, 5:15-7pm* *Alternating between Saturday and Sunday each week
Parent & TotDAY Time Monday-Friday 10:45-11:45am Tuesday & Thursday 9:45-10:45am Saturday & Sunday 10-11am, 11-12pm Recreational Swim
DAY Time Monday-Friday 12-2-pm, 2:15-4:15pm, 4:30-6pm Saturday & Sunday 12:45-2:45pm, 3-5pm -
Answer
Aquafitness and length swim programs are very popular and tend to fill up quickly. Residents can register up to seven days in advance, while non-residents can register four days in advance. In response to demand, class capacities were increased in 2024 — up to 35 participants for aquafitness and 40 for length swim. The City will continue to offer programs at these maximum capacities.
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Answer
Yes — five walk-in spots will be available for each aquafitness and length swim class. Walk-ins can be requested in person at the check-in desk, starting one hour before the program begins. Availability is first-come, first-served.
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Answer
For safety reasons, classes may be canceled in the event of inclement weather, such as thunderstorms. If this happens, registered participants will be notified by email, and a credit may be issued, depending on the circumstances.