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Westin Harbour Castle, Toronto

The Westin Harbour Castle, Toronto offers spacious hotel rooms, nourishing on-site dining, 70,000 square feet of flexible event space and exceptional service. Situated on the waterfront of Lake Ontario, the hotel places you steps from the downtown core via the PATH, Toronto's underground covered walkway. See why this hotel is one of the longest-standing CAA/AAA Four Diamond Award recipients in Toronto, Ontario. Stay in spacious rooms and hotel suites with incredible views of the city. Enjoy the best of Toronto's cosmopolitan attitude, including a vibrant culinary scene, top-tier events at Rogers Centre and Scotiabank Arena and the natural beauty of the harbour, from our downtown hotel.

Booking Your Room

Please click the button below to book your room, or call the toll-free reservation center at 1-888 627 8559 and state that you are with the 2022 CGS Annual Scientific Meeting.


WestJet Discount Code

We are happy to confirm that WestJet is offering 5% off Econo, and 10% off EconoFlex and Premium fares for travel within Canada, and 2% off Econo, 5% off EconoFlex and 10% off Premium base fares for guests travelling Trans-border into and out of Toronto (YYZ) for the 2022 ASM. To take advantage of this offer, you may use the discount code: G24YR45.**

Travel from: April 30 - May 16, 2022

VIA Rail Discount Code

We are happy to confirm that VIA Rail is offering 10% off the best available fare in Economy, Economy Plus, Business, Business Plus, Sleeper class. "Subject to the conditions and restrictions of the fare plan to which the additional discount is being applied." To take advantage of this offer, participants must reference the event’s VIA convention discount code: 17173.


  • Fare applies to a maximum of two passengers per booking.
  • One complimentary stopover is allowed at no additional charge.
  • For travel on all fare plans in Business class, the first stopover is allowed at no additional charge, provided that this stopover takes place in Toronto, MontrĂ©al or Ottawa only.
  • Discount does not apply in any Escape fares and Prestige Class.

Travel from: April 5 - April 11, 2022

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