Portland is a port city in the Pacific Northwest and the most populous city in the U.S. state of Oregon. Situated in the northwestern area of the state at the confluence of the Willamette and Columbia rivers, Portland is the county seat of Multnomah County, the most populous county in Oregon. As of 2020, Portland had a population of 652,503, making it the 26th-most populated city in the United States, the sixth-most populous on the West Coast, and the second-most populous in the Pacific Northwest, after Seattle. Approximately 2.5 million people live in the Portland–Vancouver–Hillsboro, OR–WA metropolitan statistical area, making it the 25th most populous in the United States. About half of Oregon's population resides within the Portland metropolitan area.
The 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. Flowing northward between the Oregon Coast Range and the Cascade Range, the river and its tributaries form the Willamette Valley, a basin that contains two-thirds of Oregon's population, including the state capital, Salem, and the state's largest city, Portland, which surrounds the Willamette's mouth at the Columbia.
Quercus robur, the pedunculate oak, is a species of flowering plant in the beech and oak family, Fagaceae. It is a large tree, native to most of Europe and western Asia, and is widely cultivated in other temperate regions. It grows on soils of near neutral acidity in the lowlands and is notable for its value to natural ecosystems, supporting a very wide diversity of herbivorous insects and other pests, predators and pathogens.
Quercus garryana is an oak tree species of the Pacific Northwest, with a range stretching from southern California to southwestern British Columbia. It is commonly known as the Garry Oak, Oregon white oak or Oregon oak. It grows from sea level to an altitude of 690 feet in the northern part of its range, and from 980 to 5,900 ft in the south of the range in California. The eponymous Nicholas Garry was deputy governor of the Hudson's Bay Company.
Pinus sabiniana, with vernacular names including towani pine, foothill pine, gray pine, bull pine, and digger pine, is a pine endemic to California in the United States. Some sources discourage using the name "digger pine," considering it pejorative.
Umbellularia californica is a large hardwood tree native to coastal forests and the Sierra foothills of California, and to coastal forests extending into Oregon. It is endemic to the California Floristic Province. It is the sole species in the genus Umbellularia.
Oaks Park is a small amusement park located 3.5 miles (5.6 km) south of downtown Portland, Oregon, United States. The park opened in May 1905 and is one of the oldest continually operating amusement parks in the country.
Forest Park is a public municipal park in the Tualatin Mountains west of downtown Portland, Oregon, United States. Stretching for more than 8 miles (13 km) on hillsides overlooking the Willamette River, it is one of the country's largest urban forest reserves. The park, a major component of a regional system of parks and trails, covers more than 5,100 acres (2,064 ha) of mostly second-growth forest with a few patches of old growth. About 70 miles (110 km) of recreational trails, including the Wildwood Trail segment of the city's 40-Mile Loop system, crisscross the park.
An oak savanna is a type of savanna—or lightly forested grassland—where oaks are the dominant trees. The terms "oakery" or "woodlands" are also used commonly, though the former is more prevalent when referencing the Mediterranean area. These savannas were maintained historically through wildfires set by lightning, humans, grazing, low precipitation, and/or poor soil.
Thomas Condon (1822–1907) was an Irish Congregational minister, geologist, and paleontologist who gained recognition for his work in the U.S. state of Oregon.
Mount Tabor is an extinct volcanic vent with a city park on the volcano, located in Portland, Oregon's neighborhood of the same name. The name refers to Mount Tabor, Israel. It was named by Plympton Kelly, son of Oregon City pioneer resident Clinton Kelly.
The Organic Laws of Oregon were two sets of legislation passed in the 1840s by a group of primarily American settlers based in the Willamette Valley. These laws were drafted after the Champoeg Meetings and created the structure of a government in the Oregon Country. At the last Champoeg Meeting in May 1843, the majority voted to create what became the Provisional Government of Oregon. Laws were drafted by the committee and accepted by a popular vote in July. These laws were reformed by a second version in 1845.
Balch Creek is a 3.5-mile (5.6 km) tributary of the Willamette River in the U.S. state of Oregon. Beginning at the crest of the Tualatin Mountains, the creek flows generally east down a canyon along Northwest Cornell Road in unincorporated Multnomah County and through the Macleay Park section of Forest Park, a large municipal park in Portland. At the lower end of the park, the stream enters a pipe and remains underground until reaching the river. Danford Balch, after whom the creek is named, settled a land claim along the creek in the mid-19th century. After murdering his son-in-law, he became the first person legally hanged in Oregon.
Upper Table Rock and Lower Table Rock are two prominent volcanic plateaus located just north of the Rogue River in Jackson County, Oregon, U.S. Created by an andesitic lava flow approximately seven million years ago and shaped by erosion, they now stand about 800 feet (240 m) above the surrounding Rogue Valley. The Table Rocks are jointly owned; The Nature Conservancy is responsible for 3,591 acres (1,453 ha), while the Bureau of Land Management is responsible for 1,280 acres (520 ha).
Socrates Hotchkiss Tryon Sr. was a pioneer physician in what became the U.S. state of Oregon. A native of Vermont, he later lived in Iowa and California before moving to the Oregon Territory where he settled the land that now comprises part of the Tryon Creek State Natural Area in Portland and Lake Oswego. He was also a member of the 1846 Iowa Constitutional Convention.
Oaks Bottom Wildlife Refuge is a city park of about 141 acres (57 ha) in southeast Portland, in the U.S. state of Oregon. Located in a floodplain along the east bank of the Willamette River near Sellwood, the park is known for attracting a wide variety of birds. In 1988, the park was named Portland's first wildlife refuge, and in 2004, it was designated the city's first migratory bird park.
Willamette Park is a city park of about 26 acres (11 ha) in south Portland, in the U.S. state of Oregon. Located at Southwest Macadam Avenue and Nebraska Street, the park includes a boat dock and ramp, paved and unpaved paths, picnic areas, restrooms, a dog off-leash area, playground, soccer field, and tennis courts.
The Living Heritage Tree Museum is located in the city of Storm Lake, Iowa, US. It is an open-air museum dedicated to heritage trees, situated in Sunset Park on West Lake Shore Drive. It was founded by Stan Lemaster and Theodore Klein. The museum collection includes descendants of trees with historical connections to Joan of Arc, Johnny Appleseed, and Henry Wadsworth Longfellow.
Waddell & Harrington was an American engineering company that designed bridges from 1907 to 1915. It was formed in 1907 as a partnership of John Alexander Low Waddell (1854–1938) and John Lyle Harrington (1868–1942) and was based in Kansas City, Missouri, but had offices in Portland, Oregon, and Vancouver, British Columbia. The company designed more than 30 vertical-lift bridges for highways and railroads.
The Parliament Oak is a veteran tree in Sherwood Forest. It is reputed to have been the site for impromptu-parliaments held by kings John and Edward I. In the 19th century the tree was propped-up by William Bentinck, 4th Duke of Portland. The tree was shortlisted for the 2017 Woodland Trust Tree of the Year award.
