Log drivers on the Priest River
|County||Bonner County, Idaho|
|Source||Upper Priest Lake|
|- location||Bonner County, Idaho|
|- elevation||2,445 ft (745 m) |
|Mouth||Pend Oreille River|
|near Priest River, Bonner County, Idaho|
PRIEST RIVER Latitude and Longitude:
|2,054 ft (626 m) |
|Length||68 mi (109 km) |
|Basin size||980 sq mi (2,500 km2) |
|- left||East River|
|- right||Upper West Branch, Lower West Branch|
The Priest River is a 68-mile (109 km) long  tributary of the Pend Oreille River in the U.S. state of Idaho. It is part of the Columbia River basin, as the Pend Oreille River is a tributary of the Columbia River. The river's drainage basin is 980 square miles (2,500 km2) in area. 
The river was named for a Roman Catholic priest, Father Roothaan. 
The Priest River originates in Upper Priest Lake and flows south into Priest Lake. It exits the south end of Priest Lake and flows south to the Pend Oreille River near the city of Priest River.  The Upper Priest River, which is sometimes considered part of the Priest River proper, originates near the US-Canada border and flows south into Upper Priest Lake. 
The Priest River has three major tributaries. On the left, there is the East River. This river has about twenty tributaries itself, and flows into the Priest about 1 mile from Big Creek. On the right there is the Upper West Branch of the Priest River, and the Lower West Branch of the Priest River. These never merge. The Lower West Branch is more popular, this has Torelle Falls on it.
- Indian creek
- Lion creek
- Hunt creek
- Soldier creek
- Quartz creek
- Upper west branch Priest River
- Lower west branch Priest River
- East River
- Big creek
- Blue creek
- "Priest River". Geographic Names Information System. United States Geological Survey. June 21, 1979. Retrieved July 23, 2013.
- Source elevation derived from Google Earth search using GNIS source coordinates.
- "National Hydrography Dataset". United States Geological Survey. Retrieved July 15, 2013. Note: Length includes Priest Lake. The Priest River is 47 miles (76 km) long not including Priest Lake.
- Intermountain Subbasin Plan, Pend Oreille, Northwest Power and Conservation Council
- Biennial Report of the Board of Trustees of the State Historical Society of Idaho. Idaho State Historical Society. 1922. p. 21.
- U.S. Geological Survey Geographic Names Information System: Upper Priest River
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