Cycling routes in Montreal

Here are some cycling routes

Southshore Rides:

Mont St Hilaire (@106K from Roddick gates) (Courtesy Graeme)
http://www.mapmyride.com/routes/fullscreen/7609134/

Varennes loop (@78K from Roddick gates)
http://www.gmap-pedometer.com/?r=2727714

Varennes longer loop :This adds an additional 12k (@90k from Roddick gates)
http://www.gmap-pedometer.com/?r=2727746

Mont St. Gregoire (@120K) (Courtesy AJ)
http://www.gmap-pedometer.com/?r=2693750

St. Remi loop (@85k) (Courtesy AJ) (note: this route from Roddick gates includes how to get to the estacade)
http://www.mapmyride.com/routes/fullscreen/7112345/

Hills:

Houde KOM ride (Courtesy Hons)
http://connect.garmin.com/activity/762636
Up Houde
Down Rememberance
Up/Down Ridgewood
Up/Down Rampe
Up/Down Conservatoire
Up/Down The wall.

West Island Rides:

Rigaud Ride (@180k) (Courtesy AJ)
http://www.gmap-pedometer.com/?r=2782774

Sainte-Anne-de-Bellevue Loop (@93K) (From Roddick gates - through MacDonald campus)
http://www.gmap-pedometer.com/?r=4529283

For other rides such as Oka, google "mapmyride + oka" and you will find a number of possible routes.