With its glaciated peaks, temperate rain forests, and ocean wilderness, Olympic National Park has been called three parks in one. Efforts to protect and preserve these treasures began with the creation of a federal reserve in 1897, followed by a national monument in 1909, and then Olympic National Park in 1938. The 1920s and 1930s saw the building of many trails, shelters, and roads. In 1934, the US Forest Service completed a primitive road to