There are vast tracts of green space on the Canadian side all the way from Fort Erie to Niagara-On-The-Lake, so if you want to avoid the heavily commercialized

There are vast tracts of green space on the Canadian side all the way from Fort Erie to Niagara-On-The-Lake, so if you want to avoid the heavily commercialized areas just don't go into the parts of the city of Niagara Falls, Ontario that are right up against the Niagara River and below the Falls.