Maximum discharge along the river was observed at the
Flathead River At Perma Mt
with a streamflow rate of 41,900 cfs.
This is also the deepest point on the Flathead River, with a gauge stage of
18.39 ft.
This river is monitored from 4 different streamgauging stations along the Flathead River, the highest being perched at an elevation of 3,983 ft, the
Flathead River At Flathead British Columbia
.