Not a fly-in, a drive to location, but close to GTA , about a 4 hr drive.
Lake Kipawa Quebec , 1 hr from North Bay, Ont
100 fish days can be had , probably more like 50 fish days usually.
Walleye , Smallmouth Bass, Northern Pike, Lake Trout , lots of all species.
Half a dozen Oufitters camps, Charters, Houseboat rentals.
Large reservoir system of adjoining lakes, 2000 kms of shorelines.