A Four Season Recreational Playground. The Iron Mountain area is a community with 220,000 acres of pristine wilderness, 524 miles of rivers and 7,650 acres of lakes. Iron Mountain, in Dickinson County, has lush forests with an abundance of wildlife, parks, lakes, nature trails, museums, a mine tour, ski jump, famous sport competitions and festivals of all kinds with unique shopping and dining opportunities. The recreational opportunities available in the Iron Mountain area are limited only to the imagination, and serve as one of the biggest attractions for both visitors and those who call it home. The activities this scenic area provides are endless, and they continue throughout the year and its four distinct seasons.