This may not be a park for everyone but it is the most exciting urban park/landfill/conservation experiment in the city. It makes for a very nice bike ride and combines nature and reclaimed urban decay. There aren't any benches, or manicured grassy fields to lounge on, but there are thousands of birds. The day we were there the trees in one section were filled with Cormorants nesting.
The roads are industrial and the park is closed during the day, as it is an active landfill and truck carrying loads of cracked cement, twisted rebar and smashed brick need access to the site. So the park is actually growing! The fact that the whole thing is made out of construction debris (built up since the 1950s) gives it a pleasantly post-apocalyptic feeling. There are walking trails as well.
There is massive wetlands creation project going on, which will be fun to check in on as it matures and grows in. Unlike a lot of parks which are static, this one is actually evolving and growing. It's the kind of place that a person might feel compelled to go back to again and again to witness the changes.
And because it is a park that interacts with the lake and isn't a condo development/shopping concourse/waterfront bullshit fest - it gets FIVE STARS.
The view from the tip back towards the city center is great. You can enjoy the view of the new metropolis rising in the distance as the water below slowly grinds down the brick, cement and steel reinforcing rods from yesterdays discarded cityscape.
http://www.tommythompsonpark.ca/