Roadside turnout State Rest Area with Historical Sign Washrooms, picnic tables, shelters. The Crazy Mountains. There are several stories about how the mountains got their current name. The popular story goes that a woman traveling accross the plains in a wagon train went insane. She escaped from the party and was found near these mountains. So they were called the Crazy Women Mountains, a name that was eventually shortened. The Crazy Mountains were an important trail mark for the Bozeman Trail emigrants in the Yellowstone Valley. Discover Montana The Big Sky Country