Council Crest Park, commonly thought of as the highest point within city limits, is in the West Hills and rises to an elevation of 1,073 feet (327 m) The city's actual high point is a little-known and infrequently accessed point of 1,180 feet (360 m) near Forest Park. Tabor, an extinct volcanic cinder cone, which rises to 636 feet (194 m). Other bridges that span the Willamette river in the downtown area include the Burnside Bridge, the Ross Island Bridge (both built 1926), and the double-decker Marquam Bridge (built 1966).
In the early 1840s a new settlement emerged ten miles from the mouth of the Willamette River, In 1845 Overton sold his remaining half of the claim to Francis W. Both Pettygrove and Lovejoy wished to rename "The Clearing" after their respective hometowns (Lovejoy's being Boston, and Pettygrove's, Portland).
Beginning in the 1960s, Portland is frequently recognized as one of the world's most environmentally conscious cities because of its high walkability, large community of bicyclists, farm-to-table dining, expansive network of public transportation options, and over 10,000 acres (4,000 hectares) of public parks.
During the prehistoric period, the land that would become Portland was flooded after the collapse of glacial dams from Lake Missoula, in what would later become Montana.
the Oregon settlement began to be populated in the 1830s near the end of the Oregon Trail.
Its water access provided convenient transportation of goods, and the timber industry was a major force in the city's early economy.