Mississauga Hospital

Trillium Health Partners - Mississauga Hospital

Open 24 hours. About 3h 48m if you walk in now.

Current ER wait

3h 48m

4 waiting · 33 admitted, awaiting a bed

Left is the wait posted right now. Right is ERstat's own estimate for when you'd arrive. How accurate?

In an emergency, call 911.

Source: Trillium Health Partners · as of 7:05 a.m. EDT

Non-emergency options

Report from the waiting room

Get a text or email when the wait drops below your limit. No account.

12-Hour Forecast

1h24
11am
1h42
12pm
2h6
1pm
2h6
2pm
2h
3pm
2h6
4pm
1h42
5pm
2h
6pm

Best Times to Visit

Shortest wait Mondays 1pm avg ~56m
Longest wait Tuesdays 3am avg ~3h 23m

Nearby Alternatives

Queensway Health Centre

Toronto · 7 km away

Credit Valley Hospital

Mississauga · 8 km away

5h 42m

Etobicoke General Hospital

Etobicoke · 10 km away

St. Joseph's Health Centre Toronto

Toronto · 15 km away

Humber River Hospital (Church St.)

Weston · 17 km away

Live map, alerts, and forecasts

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About Mississauga Hospital

The Emergency Department at Trillium Health Partners – Mississauga Hospital is one of the largest emergency departments in Canada, serving the central and southern neighbourhoods of Mississauga, ON with 24/7 acute care. Organized into six specialized zones — including resuscitation and trauma, acute psychiatric care, urgent care, and a dedicated pediatric area — this 751-bed regional hospital is equipped to handle everything from life-threatening emergencies to complex multi-system conditions. As a University of Toronto-affiliated teaching hospital and home to specialized regional programs in cardiac surgery, neurosurgery, stroke care, and vascular services, this is one of the most comprehensive acute care facilities in Ontario.

Services & Specialties

24/7 Emergency Department, Resuscitation and trauma care, Acute psychiatric emergency care, Pediatric emergency care, Urgent care, Minor treatment, Advanced cardiac surgery, Primary percutaneous coronary intervention (primary PCI), Cardiac wellness and rehabilitation, Neurosurgery, Stroke care, Vascular services, Geriatric mental health services, Specialized geriatric services, Mental health and addictions services, Maternal and child care, Pediatric oncology, Cancer services, Renal services, Neurosciences, Palliative care, Spine centre, Sexual assault and domestic violence services, Diagnostic imaging, Clinical genetics, Critical care, Fracture clinic, Family medicine, Outpatient and ambulatory care.

Amenities

Other Care Options

Not every health issue needs an ER visit. Find out where to go for care → · 123 walk-in clinics in Mississauga →

Pharmacists in Ontario can assess and prescribe for dozens of common conditions. See what they can treat →

Compare hospital wait times across Canada. View all wait times →

Tips Before You Go

What to Bring

Parking

Parking is available on-site via surface lots and a parking garage with a gated system. Rates are $3.75 per half hour with a daily maximum of $19.00 or a $25 day pass. HPASS multi-day discount cards (available in 5, 10, 30, or 100-day increments) can be purchased at the Parking Office and are transferable between patients, family members, and caregivers. Eight pay stations are on-site, overnight parking is permitted, and Electric Vehicle Charging Stations are available at $1.70/hour (HST included). The facility is fully wheelchair accessible.

Getting There

Mississauga Hospital is located near the QEW in Mississauga's south end and is served by MiWay bus stops and a TTC shuttle bus stop near the North and Emergency Entrances along Queensway West. A free THP shuttle bus also connects Mississauga Hospital with Queensway Health Centre and Credit Valley Hospital for patients, visitors, and staff.

Frequently Asked Questions

Is the Trillium Health Partners Mississauga Hospital Emergency Department open 24/7?
Yes, the Emergency Department at Trillium Health Partners – Mississauga Hospital at 100 Queensway W, Mississauga is open 24 hours a day, 7 days a week, every day of the year, including holidays.
Does this ER have a dedicated pediatric emergency area?
Yes. The ED is organized into six distinct zones, one of which is a dedicated pediatric area. The hospital also hosts the Colonel Harland Sanders Family Care Centre, providing comprehensive women's and children's services — the first of its kind located within a Canadian hospital.
Can I be seen for a psychiatric emergency at this ER?
Yes. The Emergency Department includes a dedicated acute psychiatric care zone, and Trillium Health Partners operates a comprehensive mental health program that covers acute inpatient care, ambulatory services, child and adolescent services, medical psychiatry, and seniors' mental health — making it well-equipped to handle psychiatric emergencies.
What regional specialties are available at Mississauga Hospital that may not be at other local ERs?
Mississauga Hospital is home to several specialized regional programs, including advanced cardiac surgery, primary percutaneous coronary intervention (primary PCI for heart attacks), neurosurgery, stroke care, vascular services, geriatric mental health, and specialized geriatric services — services not typically found at community hospitals.
How much does parking cost at Trillium Mississauga Hospital?
Parking is $3.75 per half hour, with a daily maximum of $19.00 or a $25 day pass. Frequent visitors can save with an HPASS multi-day card, available for 5, 10, 30, or 100 days, purchasable at the on-site Parking Office. Electric vehicle charging is also available at $1.70/hour.
Is Trillium Health Partners – Mississauga Hospital a teaching hospital?
Yes. THP is affiliated with the University of Toronto Faculty of Medicine and is part of the Mississauga Academy of Medicine (MAM), one of four academies in U of T's MD program. It is also an associate member of the Toronto Academic Health Science Network.

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About ER Wait Times

Emergency departments use triage. Patients with more serious conditions are seen first, regardless of arrival time.

Wait times are estimates based on Ontario health data. Actual wait times may vary.

We check our own accuracy. Forecasting two hours ahead, the ERstat estimate was typically off by 33 minutes against what hospitals themselves later posted, compared with 41 minutes for the hospital's own current figure, and was the closer of the two 58% of the time. See the full scorecard, or how we work the number out.

If you are experiencing a medical emergency, call 911 immediately.

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