Birch Creek (Umatilla River tributary)

Birch Creek
At Hoeft Road, south of Pendleton Country Club
Location of the mouth of Birch Creek in Oregon
Location
CountryUnited States
StateOregon
CountyUmatilla
Physical characteristics
Sourceconfluence of east and west forks
  locationnear Pilot Rock
  coordinates45°29′06″N 118°50′04″W / 45.48500°N 118.83444°W / 45.48500; -118.83444
  elevation1,622 ft (494 m)
MouthUmatilla River
  location
near Rieth
  coordinates
45°39′19″N 118°52′54″W / 45.65528°N 118.88167°W / 45.65528; -118.88167
  elevation
958 ft (292 m)
Length16 mi (26 km)
Basin size291 sq mi (750 km2)

Birch Creek is a 16-mile (26 km) tributary of the Umatilla River in eastern Oregon in the United States. It rises at the confluence of East and West Birch creeks south of Pilot Rock, Oregon, at the base of the Blue Mountains and flows north, slightly west of the city of Pendleton. It enters the Umatilla River about 49 miles (79 km) from the larger stream's confluence with the Columbia River.

Birch Creek is one of the rivers that drain Oregon's northwestern corner of the Blue Mountains, flowing alongside industrial waste ponds, and over two minor impoundments before reaching the Umatilla River. Lands in the Birch Creek drainage are used for logging, grazing, dairy farming, and factory farming. Birch Creek is a source of phosphates and the resulting eutrophication of the Umatilla River.

Pendleton photographer Walter S. Bowman is believed to have been born by Birch Creek.

Peterson dam on the creek is supposed to be removed.