Lake Oswego

Lake Oswego, city, Clackamas county, northwestern Oregon, U.S., on the Willamette River (and its western extension, 405-acre [164-hectare] Oswego Lake), just south of Portland. Ruins of the Willamette Iron Company’s Oswego blast furnace (1867–93) recall the city’s early iron industry based on Iron Mountain (now laid out as a golf course). Settled in the 1850s on the site of a Clackamas Indian encampment, it was called Oswego (later renamed Lake Oswego) and serves mainly as...