Maximum discharge along the river is currently at the French R At N Grosvenordale reporting a streamflow rate of 221 cfs. This is also the highest stage along the French River, with a gauge stage of 7.5 ft at this location. This river is monitored from 3 different streamgauging stations along the French River, the highest being situated at an altitude of 475 ft, the French River Below Dam.

The French River is a major river in Ontario, Canada, stretching 110 km from Lake Nipissing to Georgian Bay. It has a rich history, having been used by First Nations communities for thousands of years, and becoming an important route for fur traders in the 17th century. The river's hydrology is unique, with a series of interconnected waterways, rapids, and waterfalls. There are four major hydroelectric dams and reservoirs along the river, which provide electricity to the surrounding communities. The French River is also a popular recreational area, offering camping, fishing, and boating activities, as well as being a major tourist destination. The river also plays an important role in the region's agricultural industry, providing irrigation to local farms.