From Toronto: Follow the QEW towards Niagara. Once over the Garden City Skyway Bridge at St. Catharines, take exit 38B (Highway 55) and follow the signs to Niagara-on-the-Lake. Turn left on Williams St. and then right on Nassau St. Griffin House is the second house on the right. From Buffalo, NY: Cross the Peace Bridge and follow the QEW toward Toronto. Take exit 38B (Highway 55) and follow the signs to Niagara-on-the-Lake. Turn left on Williams St. and then right on Nassau St. Griffin House is the second house on the right