EdgeWalk lets thrill-seekers walk hands free along a 1.5-metre-wide ledge around the top of the tower's main pod.
Walkers get suited up in fire engine red jumpsuits and yellow harnesses for a stunning, open-air view of Toronto and Lake Ontario from 356 metres above the ground.
Safety harnesses and industrial-strength cables attach walkers to an overhead rail, allowing them to lean off the edge of the platform and gaze out on the city sprawling below.
The experience costs $175 and lasts a total of 90 minutes, with the walk itself taking 20 to 30 minutes. Trained guides lead the walkers in groups of six to eight.
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