CBC news makes a story on the problem on the garbage in parks.

http://www.cbc.ca/news/canada/montreal/mount-royal-needs-better-garbage-strategy-citizen-says-1.2676833

Mount Royal needs better garbage strategy, citizen says

Garbage cans with lids, recycling bins, banning barbecues among the suggestions to keep park clean

Mount Royal Park – the 200-hectare jewel set aside for public use in the centre of Montreal – is being left strewn with garbage after any sunny weekend, and a resident of neighbouring Westmount is urging visitors to help keep the park clean.
"As soon as the weather gets nice, people start using the mountain," Paula Engels told CBC Radio's host of Daybreak, Mike Finnerty. "People are enjoying this beautiful mountain that we have...and they should.