The Umpqua River Lighthouse was originally the first lighthouse in the Oregon Territory. It was built in 1857 near the mouth of the river, but was undermined and destroyed by flood in Feb. 1864. It was rebuilt here in 1891 and completed in 1894, and it shines a guiding light to all mariners. Its illumination was changed from oil to electricity in 1934. The conical tower is 65 feet tall and stands 165 feet above sea level. Its lens is 6 feet in diameter, 10 feet high, and weighs 2 tons. Its 616 prisms were hand cut in Paris, France, in 1890. The lamp is U.K. 00 candlepower, its visibility is 19 miles seaward, its signal is 2 white flashes followed by 1 red, and its original cost was $50,000.