Thorold, Ontario

The City of Thorold is 85 square kilometres located along the Welland Canal just South of the City of St. Catharines. Thorold is famous for the St. Lawrence Seaway and the twinned flight locks where “ships climb the mountain” of the Niagara Escarpment. Flight locks #4, #5, #6 & #7 are man made engineering marvels which is a grand spectacle for all visitors to the area. Population is 17,883 people.

Attractions & Events

Thorold Tunnel

The Thorold vehicle tunnel was built under the existing Welland Canal approximately 28 years ago. Maintained by the St. Lawrence Seaway, it allowed quick access across the canal other than waiting for long periods of time at lift bridges. This tunnel is unique in its construction because it was built under an already existing canal.

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