OR check out Expedia for dog-friendly accommodations near Toronto, Ontario. (Affiliate link)
Dog-Friendly Places in Toronto - Downtown Toronto Hotels
7 So-Called 'Rules' For Dog Owners In Toronto That I Just Don't Agree With - Narcity
Complete Guide to Winter Camping with Dogs at Ontario Parks
Dog friendly excursions in Toronto – I've Bean Travelling
Don Valley Brick Works Park
Dog Trotting - GLOBAL TRAVEL FOR DOG LOVERS
Top Dog Friendly Activities Worldwide - BringFido
Dog-friendly Toronto: High on High Park Dog Off-leash Park - Dog Trotting
Dog-Friendly Parks and Locations In Toronto