october, 2017 Harvestfest and Junkapalooza. Dawson County Fair Grounds 2200 N Merrill Ave, Glendive, MT 59330 15octalldayalldayHarvestfest and Junkapalooza.@Dawson County Fairgrounds Event Details Oct. 15 is Harvestfest and Junkapalooza. Event Details Oct. 15 is Harvestfest and Junkapalooza. TimeAll Day (Sunday) LocationDawson County Fair Grounds2200 N Merrill Ave, Glendive, MT 59330 CalendarGoogleCal