History of the National Park Service reduce poaching and other misuse of the park, the U.S. Army established a fort in the area in 1881 and began park protection, establishing a pattern that would be continued by later park rangers. In 1875, Mackinac National Park was created on a resort island in Lake Huron in Michigan, the second national park. As at Yellowstone, the army garrison at Fort Mackinac were in charge of supervising and improving the park. The fort and the national park were turned over to state control in 1895. U.S. cavalry units took up a position in California-controlled Yosemite Park in 1891 and
Yosemite National Park Valley that are easily accessible by automobile. There is a US$25-30 per automobile user fee to enter the park, depending on the season. Traffic congestion in the valley is a serious problem during peak season, in summer. A free shuttle bus system operates year-round in the valley, and park rangers encourage people to use this system since parking within the valley during the summer is often nearly impossible to find. In addition to exploring the natural features of the park, visitors can also learn about the natural and cultural history of Yosemite Valley at a number of facilities in the