Ravalli County Fairgrounds Event Center Hamilton, MT Email Address: Ravalli County Fairgrounds Event Center 100 Old Corvallis Rd. Hamilton, MT Info: 406-363-3411 Region: Bitterroot Upcoming events at Ravalli County Fairgrounds Event Center May 15 Wed Bill Harley May 15 Hamilton Ravalli County Fairgrounds Event Center Comedy Music Jun 22 Sat Bitterroot Gem and Mineral Society's 19th Annual Show: Treasurers of the Universe Jun 22 - Jun 23 Hamilton Ravalli County Fairgrounds Event Center Events Walks & Tours Workshops Aug 27 Tue The Lil Smokies with Little Jane and the Pistol Whips Aug 27 Hamilton Ravalli County Fairgrounds Event Center Events Music Nightlife