South Yamhill RiverThe South Yamhill River is a tributary of the Yamhill River, approximately 60 miles (97 km) long, in northwest Oregon in the United States. It drains an area of the Northern Oregon Coast Range, as well as part of the Willamette Valley west of the Willamette River. CourseThe South Yamhill River rises at an elevation of 551 feet (168 m) above sea level and falls 476 feet (145 m) between source and mouth to an elevation of 75 feet (23 m).
North Yamhill RiverThe North Yamhill River is a 31-mile (50 km) tributary of the Yamhill River in the U.S. state of Oregon. It drains an area of the Northern Oregon Coast Range, as well as part of the Willamette Valley west of the Willamette River. Rising in a remote area in the mountains of northwestern Yamhill County, the river flows generally east, then southeast, then south past the city of Yamhill.
Willamette RiverThe Willamette River ( ) is a major tributary of the Columbia River, accounting for 12 to 15 percent of the Columbia's flow. The Willamette's main stem is 187 miles (301 km) long, lying entirely in northwestern Oregon in the United States.
Northern Oregon Coast RangeThe Northern Oregon Coast Range is the northern section of the Oregon Coast Range, in the Pacific Coast Rangesphysiographic region, located in the northwest portion of the state of Oregon, United States. This section of the mountain range, part of the Pacific Coast Ranges, contains peaks as high as 3,710 feet (1,131 m) for Rogers Peak. Forests in these mountains are considered to be some of the most productive timber land in the world.
Dayton, OregonDayton is a city in Yamhill County, Oregon, United States. The population was 2,678 at the 2020 census. HistoryThe city was founded in 1850 by Andrew Smith and Joel Palmer. Palmer, who also served as superintendent of Indian affairs for Oregon, built a flour mill there. Dayton was named for Smith's hometown, Dayton, Ohio. Dayton post office was opened in 1851, with Christopher Taylor serving as postmaster. There are many historic landmarks throughout the city.
McMinnville, OregonMcMinnville is the county seat of and the most populous city in Yamhill County, Oregon, United States, at the base of the Oregon Coast Range. As of the 2020 census, the city had a population of 34,319. McMinnville is located in the Willamette Valley at the confluence of the North and South forks of the Yamhill River.
Newberg, OregonNewberg is a city in Yamhill County, Oregon, United States. Located in the Portland metropolitan area, the city is home to George Fox University. As of 2023, the city population was 26,095, making it the second most populous city in the county. HistoryEwing Young, after leading pioneering fur brigades in California, came to Portland in 1834 and settled on the west bank of the Willamette River near the mouth of Chehalem Creek, opposite of Champoeg.
OregonOregon ( ORR-ih-ghən, -gon) is a state in the Pacific Northwest region of the United States. It is a part of the Western United States, with the Columbia River delineating much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho. The 42° north parallel delineates the southern boundary with California and Nevada. The western boundary is formed by the Pacific Ocean.
River mileA river mile is a measure of distance in miles along a river from its mouth. River mile numbers begin at zero and increase further upstream. The corresponding metric unit using kilometers is the river kilometer. They are analogous to vehicle roadway mile markers, except that river miles are rarely marked on the physical river; instead they are marked on navigation charts, and topographic maps.
Native Americans in the United StatesIndigenous peoples of the United StatesEthnic group
U.S. stateIn the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sovereignty with the federal government. Due to this shared sovereignty, Americans are citizens both of the federal republic and of the state in which they reside.
KalapuyaThe Kalapuya or Kʼalapʰuya are a Native American people, which had eight independent groups speaking three mutually intelligible dialects. The Kalapuya tribes' traditional homelands were the Willamette Valley of present-day western Oregon in the United States, an area bounded by the Cascade Range to the east, the Oregon Coast Range at the west, the Columbia River at the north, to the Calapooya Mountains of the Umpqua River at the south.
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