First Welland Canal points on the Lake Erie shore, and also offered a natural harbour for the ships waiting to enter the canal. The new part of the canal was to run in a fairly straight line, except for a stretch where it followed a local ravine and a creek to minimise required excavation of hard rock in the area. The Welland Canal Company obtained a loan of 50,000 pounds from the Province of Upper Canada. Construction started soon after, but it was delayed by rain, difficulty in clearing land, and a cholera outbreak in 1832. Neither the Wainfleet Marsh nor the rock
Welland Canal affiliated with the canal, and was actually used to help transfer cargoes from the lake ships, which were too large for the small canal locks, to the other end of the canal (The Trillium Railway owns the railway's remnants and Port Colborne Harbour Railway). Smaller ships called "canallers" also took a part of these loads. Due to this problem, it was soon apparent the canal would have to be enlarged again. In 1887, a new shorter alignment was completed between St. Catharines and Port Dalhousie. One of the most interesting features of this third Welland Canal was the Merritton Tunnel,