Haceta Head Lighthouse. Heceta Head Light is a lighthouse located on the Oregon Coast 13 miles north of Florence, Oregon and 13 miles south of Yachats, Oregon, United States. It is located at Heceta Head Lighthouse State Scenic Viewpoint midway up a 205-foot tall headland. Built in 1894, the 56-foot tall lighthouse shines a beam visible for 21 miles, making it the strongest light on the Oregon Coast. Photo by Carol Highsmith.