The Groupon Deal for the Carriage Tour is back!
C$45 for Private 30-Minute Horse-Drawn-Carriage Tour for Up to Six ($90 Value)
Expires 180 days after purchase.
Limit 1 per person. May buy 1 additional as gifts. Limit 1 per visit. Reservation required 24hr in advance. Must use promotional value in 1 visit. Max of 6 people per carriage ride. Subject to weather conditions. Tax included. Not valid 12/24/12-12/25/12, 12/31/12, 2/14/13, and 8/31/13-9/2/13.
Other rules, exclusions and expiry details on Groupon, which I am not affiliated with :)
Or the referral link: