Fort Ripley was a United States Army outpost on the upper Mississippi River, in mid-central Minnesota from 1848 to 1877. It was situated a few miles from the Indian agencies for the Ho-Chunk and Ojibwe in Iowa Territory and then the Minnesota Territory. Its presence spurred immigration into the area and the pioneer settlement of Crow Wing developed approximately 6.75 miles (10.86 km) north of the fort. The post was initially named Fort Marcy. It then was renamed Fort Gaines and in 1850 was renamed again for distinguished Brigadier General Eleazer Wheelock Ripley of the War of 1812. It was the second major military reservation established in what would become Minnesota.