Landmarks include The Stanley Hotel and The Baldpate Inn. Kenneth again starts writing his story, "A Key to Baldpate". The setting was based on the real Baldpate Mountain. He followed it with small appearances in "Metropolitan" (1935) and "Seven Keys to Baldpate" (1935). Seven Keys to Baldpate is a 1913 novel by Earl Derr Biggers. Mount Canoe, Baldpate Mountain, and Strawberry Hill. Baldpate Mountain is a mountain located in Oxford County, Maine. Seven Keys to Baldpate is a 1929 sound film produced and distributed through RKO Pictures. "Seven Keys to Baldpate" is an extant film with much home video availability. An American hotel inspired by that name, The Baldpate Inn, opened in 1918. Hal owns the resort, the Baldpate Inn, on a mountaintop 6 hours away by train. Notable oil platforms include Baldpate, Bullwinkle, Mad Dog, Magnolia, Mars, Petronius, and Thunder Horse. Baldpate Mountain, near Pennington, is the highest hill, at above sea level. Baldpate is a offshore compliant tower oil platform near the coast of Louisiana.