Gallatin County Fairgrounds Bozeman, MT Email Address: Gallatin County Fairgrounds 901 N. Black Bozeman, MT Info: 406-582-3270 Region: Bozeman Upcoming events at Gallatin County Fairgrounds May 10 Sat Bozeman Gem and Mineral Show 2025 May 10 - May 11 Bozeman Gallatin County Fairgrounds Art & Exhibits Events