Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Gibbon River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Gibbon River, the highest being situated at an altitude of ft, the .
The Gibbon River flows east of the Continental Divide in Yellowstone National Park, in northwestern Wyoming, the Northwestern United States. Along with the Firehole River, it is a major tributary of the Madison River, which itself is a tributary of the Missouri River.