Maximum discharge along the river is currently at the
Marias River Near Loma Mt
reporting a streamflow rate of 501 cfs.
However, the deepest point on the river is located at the
Marias River Near Shelby Mt
with a gage stage of 4.52 ft.
This river is monitored from 3 different streamgauging stations along the Marias River, the highest being perched at an elevation of 3,099 ft, the
Marias River Near Shelby Mt.