355 S Park RdThornhill, ON L3T 7W2 Phone: +1 905-771-9333Fax: +1 905-771-9336Toll Free: +800-766-3782 Hotel E-mailHotel Website Classification 6 First Class Commission Rooms Rates 10% 120 - Hoteliers! Is your information accurate? Update Here Sonesta ES Suites Toronto Markham Location & Neighborhood Bordering Toronto, North York, Richmond Hill, Thornhill and Markham. - 37 KM, 25 min from Lester Pearson Intl airport. 15 KM from TorontoNearest Cross Street: Hwy 7 & Leslie