This is actually a great little park downtown. It's got a nice gazebo and some little rolling "hills" so it feels larger than it is. Perfect place for a picnic or to just chill out during a summer day. Has a bunch of seating/benches.There's also a cool oversized picnic table, sculpture-like but you can use it!
It isn't an off leash dog park but I see a lot of dogs running around sometimes. I even saw a fight between two dog owners once, arguing because one dog that off leash bit the other. I don't love that especially as someone who is a bit scared of dogs. Sometimes it can get a bit sketchy but overall, it's a nice park downtown.
I had a picnic there today and there were tons of families and dog owners running around. Lots of kids, people playing frisbee. There's also restaurants around and its proximity to St. Lawrence draws families!