North Popo Agie River

North Popo Agie River
The North Fork Popo Agie River looking east near Lander, Wyoming in April 2020
The course of the North Popo Agie River
Etymologyword po-PO-shuh, meaning "Head River" or possibly "Gurgling River"
Location
CountryUnited States
StateWyoming
Physical characteristics
SourceLonesome Lake
 • locationWind River Range, Fremont County
 • elevation10,200 ft (3,100 m)
Mouth 
 • location
near Lander, Wyoming
 • coordinates
42°51′15″N 108°41′59″W / 42.85415°N 108.69975°W / 42.85415; -108.69975
 • elevation
5,000 ft (1,500 m)
Length43 mi (69 km)
Basin features
Tributaries 
 • leftSurrell Creek
 • rightShoshone Lake, Paradise Creek, Mexican Creek

The North Popo Agie River (also known as the North Fork Popo Agie River) is a river in Fremont County, Wyoming, United States, that serves as part of the boundary of the Wind River Indian Reservation. Its headwaters are at Lonesome Lake in the Wind River Range, and it flows eastward until its end near Lander when it joins the Middle Popo Agie River to form the Popo Agie River.