The gauge is actually on the West Branch of the Oswegatchie after the Middle Branch joins it. There is no actual gauge on the Middle Branch. Keep this in min
Put In is the entry point for the challenging Sluice Falls section of the Oswegatchie's Middle Branch, marking the start of a technical descent. Paddlers must carefully navigate the initial boulder-strewn entry, with potential for pin hazards and limited maneuvering room, requiring precise boat placement and swift decision-making from the outset.