Union Pacific Dining Hall by Website Administrator|Published August 24, 2023 Location 220 Yellowstone AveWest YellowstoneMT59758 Next Event Knothead Jamboree - August 29, 2025 - September 1, 2025 - All Day Loading Map.... Union Pacific Dining Hall220 Yellowstone Ave - West YellowstoneEvents 44.658165 -111.102034 Upcoming Events Knothead Jamboree - August 29, 2025 - September 1, 2025 - All Day