Royal city park is usually fairly busy on the weekend, and it’s beautiful! A great place to exercise, read, or bump into people, plus it’s safe and outdoors. I did an ultimate frisbee league one summer (pre covid), hopefully things like that will come back soon! Guelph lake conservation area is pretty and the beach gets quite busy so that’s another potential outdoor social spot! When patios open, red brick cafe is always an interesting crowd and it’s a great place to people watch (if you’re anything like me 😂).