Oregon City is the county seat of Clackamas County, Oregon, United States, located on the Willamette River near the southern limits of the Portland metropolitan area. As of the 2020 census, the city population was 37,572. Established in 1829 by the Hudson's Bay Company, in 1844 it became the first U.S. city west of the Rocky Mountains to be incorporated.
Wasco County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 25,213. Its county seat is The Dalles. The county is named for a local tribe of Native Americans, the Wasco, a Chinook tribe who live on the south side of the Columbia River. It is near the Washington state line. Wasco County comprises The Dalles Micropolitan Statistical Area.
Clackamas County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 421,401, making it Oregon's third-most populous county. Its county seat is Oregon City. The county was named after the American Indians living in the area, the Clackamas people, who are part of the Chinookan peoples.
Shaniko is a city located in Wasco County, Oregon, United States, on U.S. Route 97 and about 8 miles (13 km) north of Antelope. The population was 30 at the 2020 census.
The Barlow Road is a historic road in what is now the U.S. state of Oregon. It was built in 1846 by Sam Barlow and Philip Foster, with authorization of the Provisional Legislature of Oregon, and served as the last overland segment of the Oregon Trail. Its construction allowed covered wagons to cross the Cascade Range and reach the Willamette Valley, which had previously been nearly impossible. Even so, it was by far the most harrowing 100 miles (160 km) of the nearly 2,000-mile (3,200 km) Oregon Trail.
This is a list of properties and historic districts in Oregon that are listed on the National Register of Historic Places. There are listings in all of Oregon's 36 counties.
Willamette National Cemetery is a United States National Cemetery located about 10 miles (16 km) southeast of the city of Portland, Oregon. Administered by the United States Department of Veterans Affairs, it encompasses 269.4 acres (109.0 ha) straddling the county line between Multnomah and Clackamas Counties. As of 2021, there had been 188,000 interments. It is one of three national cemeteries in Oregon. On July 5, 2016, the cemetery was listed on the National Register of Historic Places.
Oregon's 3rd congressional district covers most of Multnomah County, including Gresham, Troutdale, and most of Portland east of the Willamette River. It also includes the northeastern part of Clackamas County and all of Hood River County. Generally, most of Portland east of the Willamette River is in the 3rd District.
The following list presents the full set of National Register of Historic Places listings in Multnomah County, Oregon. However, please see separate articles for listings in each of Portland's six quadrants.
The following is an alphabetical list of articles related to the U.S. state of Oregon.
The following is an alphabetical list of articles related to the U.S. state of Washington.
The following outline is provided as an overview of and topical guide to the U.S. state of Idaho:
The following outline is provided as an overview of and topical guide to the U.S. state of Montana:
The following outline is provided as an overview of and topical guide to the U.S. state of Washington:
The following outline is provided as an overview of and topical guide to the U.S. state of Wyoming:
