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Roseburg is the most populous city in and the county seat of Douglas County, Oregon. [5] It is located in the Umpqua River Valley in southern Oregon . Founded in 1851, the population was 23,683 at the 2020 census , making it the principal city of the Roseburg, Oregon Micropolitan Statistical Area.
This is a list of highest points in each county in the U.S. state of Oregon, in alphabetical order by county. All elevations use the North American Vertical Datum of 1988 (NAVD88), the currently accepted vertical control datum for United States, Canada and Mexico. Elevations are from the National Geodetic Survey (NGS) when available.
Elevation Coordinates USGS Map GNIS ID Abbot Pass: 3,550 ft (1,080 m) Wapinitia Pass: 1136999: Agness Pass ... Oregon Caves: 1144624: Klaskanine Summit: 1,014 ft (309 m)
Mount Hood is the highest summit of the U.S. State of Oregon. This article comprises three sortable tables of major mountain peaks [1] of the U.S. State of Oregon. The summit of a mountain or hill may be measured in three principal ways: The topographic elevation of a summit measures the height of the summit above a geodetic sea level.
Quartz Mountain is a located 35 miles (56 km) east of Roseburg in Douglas County, Oregon, United States. [1] [3] Located within the Jackson Creek subbasin, a tributary of the South Umpqua River, Quartz Mountain rises to an elevation of 5,200 feet (1,585 m) in the Umpqua National Forest. It has a large deposit of high-purity silica. [4]
Map of the United States with Oregon highlighted. Oregon is a state located in the Western United States. All population data is based on the 2020 census and 2010 census and the Census Bureau's annual estimates. [1] All area data is based on the 2010 US Gazetteer files. There are 241 municipalities.
As with the Oregon Coast Range as a whole, the Southern Oregon Coast Range likely began as an ocean island chain that collided with the continental tectonic plate of North America more than 60 million years ago. [2] In the Southern Range the 64-million-year-old Roseburg Volcanics that formed this section are the oldest portions of the entire ...
Ashland lies within Oregon's southwest interior climate zone, in which all but the higher-elevation sites are in the rain shadow of the Oregon Coast Range to the west. The largest urban areas in this zone in addition to Ashland are Medford and Grants Pass in the Rogue Valley, and Roseburg in the Umpqua River Valley further north. Although the ...