St Lawrence Seaway has allot to see and great fishing also. It would help if you told use what you consider a “long” trip , a few hours , more than a day , over a week, ect. Also how skilled are you handling boat , some of the rivers here in NYS can have a bit of a challenge [some whitewater]
Agree with Todd _____ St Lawrence Seaway, NYS
Many, many, places (ramps) to launch a 14 ft boat and obtain needed any provisions, petrol, bait & tackle… Campsites are abundant at water’s edge bordering rt 12.
https://greatlakes-seaway.com/en/navigating-the-seaway/