Hi .. here are the answers to your questions. Have a good day https://www.ville.sainte-anne-de-bellevue.qc.ca/fr/276/artistes-ambulants-sur-la-promenade-du-canal

Yes, after the lock there's a boat ramp.

Your best bet would be to leave Maple Street. Who is at the beginning of McGill University / MacDonald College. The bike path starts from the. More for tourism than speed. There are also many people on this trail that is shareable: Pedestrians and cyclists.

More activities in the summer time

I saw people walking their dogs around midnight so I'm thinking you can go whenever.

Yes always open