Youngs River Falls

The Klaskanine River is a tributary of the Youngs River, approximately 16 miles (26 km) long, in northwest Oregon in the United States. It drains a small section of the Coast Range in the extreme northwest corner of the state in the watershed of the nearby Columbia River. It rises in three short forks in the mountains in central Clatsop County, in the Clatsop State Forest north of Saddle Mountain State Natural Area. The Middle Fork joins the North Fork, which then joins the South Fork. The combined stream flows generally northwest and enters the Youngs River from the east approximately 5 miles (8 km) south of Astoria.

Olney is an unincorporated community and former company town in Clatsop County, Oregon, United States, on Oregon Route 202 approximately eight miles south of Astoria. Its post office is assigned ZIP code 97325. The town of Olney was named after Oregon Territory Supreme Court justice Cyrus Olney, who was from Astoria.There were several logging camps near Olney, many originally only accessible by boat up the Youngs River or by Albert S. Kerry's Columbia and Nehalem River Railroad. In 1910, the Western Cooperage Company camp was established in Olney. It was run by the Tidewater Timber Company from 1923 to 1943. Western Cooperage provided company housing for its workers and in 1915 the population was 50, which was near its maximum. Olney post office was established in 1875 and ran until 1950. Today, Olney still has a general store.

Melville is an unincorporated community in Clatsop County, Oregon, United States, on the Lewis and Clark River. Its post office was established in February 1891, with Wilthea S. Ingalls postmaster. The post office closed in November 1922.

River Point is an unincorporated community and census-designated place (CDP) in Clatsop County, Oregon, United States. It was first listed as a CDP prior to the 2020 census.The CDP is in northwestern Clatsop County, 4 miles (6 km) south of Astoria along Oregon Route 202, the Nehalem Highway. It sits on the land between two rivers, the Youngs River to the west and the Wallooskee River to the north, extending to their confluence. The Youngs River is a tidal waterway leading to Youngs Bay at Astoria and thence the Columbia River.

The Wallooskee River (also known as the Walluski River) is a tributary of the Youngs River, about 10 miles (16 km) long, in northwest Oregon in the United States. It drains a small area of the foothills of the Coast Range near the mouth of the Columbia River. The Youngs River is a tributary of the Columbia River. It rises southwest of Astoria in a northern Clatsop County at 46.108165°N 123.674857°W / 46.108165; -123.674857 (Wallooskee River source). It flows generally west in a winding course. About a mile (1.6 km) before its mouth, it receives the Little Wallooskee River from the right at 46.1423303°N 123.780417°W / 46.1423303; -123.780417 (Little Wallooskee River mouth) which flows about 2 miles (3.2 km) from its source at 46.1395532°N 123.735971°W / 46.1395532; -123.735971 (Little Wallooskee River source). The Wallooskee enters Youngs River from the east at the south end of Youngs Bay, approximately 2 miles (3.2 km) south of Astoria.

Clatsop County () is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 41,072. The county seat is Astoria. The county is named for the Clatsop tribe of Native Americans, who lived along the coast of the Pacific Ocean prior to European settlement. Clatsop County comprises the Astoria, OR Micropolitan Statistical Area, or Sunset Empire, and is located in Northwest Oregon.

Miles Crossing is an unincorporated community in Clatsop County, Oregon, United States.

Astoria Marine Construction (AMCCO) was founded as Astoria Shipbuilding by Joe Dyer is 1929 in Jeffers Gardens of Astoria, Oregon. Joe Dyer's father was a pioneer of early Astoria and operated a family sawmill. Joe Dyer started by building wooden fishing boats at his shipyard. Then added wooden pleasure craft to his product line. Joe Dyer designed and built Columbia River One Design (CROD) boats and boats for the United States Navy. The shipyard was on the east bank of the Lewis and Clark River and the Jeffers Slough. Due to its historical importance the site is on the National Register of Historic Places in Clatsop County, Oregon. Astoria Marine Construction shipyard closed in 2013.

Jeffers Garden is an unincorporated community in Clatsop County, Oregon, United States. Its population, recorded as the Jeffers Gardens census-designated place, was 368 as of the 2010 census.Astoria Marine Construction Company a site on the National Register of Historic Places in Clatsop County, Oregon is in Jeffers Garden on the Lewis and Clark River and the Jeffers Slough. Due to its historical importance the site is on the National Register of Historic Places in Clatsop County, Oregon.

The Lewis and Clark River Bridge is a bascule bridge that spans the Lewis and Clark River on U.S. Route 101 Business (a section originally part of U.S. Route 101) in Clatsop County, Oregon. It was designed by Conde McCullough and opened in 1925. It was built to replace an earlier bridge at the same location, a swing-span bridge constructed around 1910. The total length of the bridge is 828 feet (252 m), and the length of the bascule main span is 112 ft (34 m). The approach spans consist of a total of 48 timber pile and stringer spans.

The Lewis and Clark National Historical Park (including the former Fort Clatsop National Memorial), located in the vicinity of the mouth of the Columbia River, commemorates the Lewis and Clark Expedition. Administration of the park, which includes both federal and state lands, is a cooperative effort of the National Park Service and the states of Oregon and Washington. The National Historical Park was dedicated on November 12, 2004. After reaching the Pacific Ocean, the Corps of Discovery camped at Fort Clatsop in the winter of 1805–1806. The park features a replica of the fort and a nearby visitor center. Also included in the park are several sites on the north bank of the river in Washington and other sites in Oregon.

Fort Clatsop was the encampment of the Lewis and Clark Expedition in the Oregon Country near the mouth of the Columbia River during the winter of 1805–1806. Located along the Lewis and Clark River at the north end of the Clatsop Plains approximately 5 miles (8.0 km) southwest of Astoria, the fort was the last encampment of the Corps of Discovery, before embarking on their return trip east to St. Louis. The Lewis and Clark Expedition wintered at Fort Clatsop before returning east to St. Louis in the spring of 1806. It took just over three weeks for the Expedition to build the fort, and it served as their camp from December 8, 1805 until their departure on March 23, 1806.The site is now protected as part of the Lewis and Clark National Historical Park, part of which was formerly known as Fort Clatsop National Memorial until 2004. The original Fort Clatsop decayed in the wet climate of the region but was reconstructed for the sesquicentennial in 1955 from sketches in the journals of William Clark. The replica lasted for fifty years, but was severely damaged by fire in early October 2005, weeks before Fort Clatsop's bicentennial. A new replica, more rustic and rough-hewn, was built by about 700 volunteers in 2006; it opened with a dedication ceremony that took place on December 9. The site is currently operated by the National Park Service.