Good spots for family picnic - TORONTO

I was thinking about taking the family out for a picnic. The only place i can think of right now are like CENTER ISLAND or Algonquin park.
I need a spot where we can:

rent boats or rent bicycles ?
or
do fishing ?
or
Hiking trails with clean family park?

Re: Good spots for family picnic - TORONTO

For quick one-day/less travelling picnic, I would recommend Vallens Conservation Area on Hwy 6, 25 min drive from Mississauga.

Alguonquinn is good for a long-weekend picnic, you need atleast two full day there to enjoy nature, one day for traveling=going/coming.