Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Pahsimeroi River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Pahsimeroi River, the highest being situated at an altitude of ft, the .

The Pahsimeroi River is located in the western United States and runs for approximately 80 miles through the Salmon-Challis National Forest in Idaho. The river was historically used by Native American tribes for fishing and hunting. The river is fed by snowmelt and has a high flow during the spring and early summer months. There are no major reservoirs or dams on the river, but there are several smaller diversion structures used for irrigation. The river is popular for recreational activities such as fishing, hiking, and camping. The surrounding area is also used for agriculture, with ranchers grazing cattle on the nearby hills and valleys. The Pahsimeroi River is an important part of the local ecosystem and a valuable resource for both people and wildlife.