Here's the big map with the dirt bike tracks with public access around Toronto. There's more: dirt bike trails, the off-road calendar, motocross tracks, training or shops and online enduro school++. New here? Read About Dirt Biking!.
Text list (copy if you're heading north/east/whatever):
We haven't been on all these tracks, so take their locations etc with a grain of salt.
A properly setup dirt bike makes a really big difference: read how to setup your handlebars, levers, suspension tires etc.
These enduro riding techniques will change your riding: throttle-clutch, cornering, traction, steering and more.
Some offer only MX tracks, some have TT and PeeWee tracks as well. Some include trails and training. Double check with them before towing your motorcycle there, eh? If we missed some, or we included some that don't have public access, please comment below.