Hi Frank, some of the best striper fishing in the St. Lawrence is in the lower section close to the Atlantic. New Brunswick has exceptional Striper fishing in the estuary waters of several of it’s famous rivers like the Miramichi. They estimate the annual population of Stripers that run there in excess of 1-million. If you are serious about fishing for them in the St. Lawrence River watershed I would encourage you to contact https://wilsonscamps.nb.ca/miramichi-river-striped-bass-fishing/ . It’s a spring/summer fishery and if you are planning on fishing any of the rivers please check the local regulations…God bless you.
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