Peak Season, Peak Savings at the Hilton Garden Inn Denver Union Station! Book your group or event for Q2 or Q3 2026 by August 31, 2026 and earn peak season savings! Choose three perks per booking: 50% Discount on Valet Parking 2 VIP Upgrades with 2 VIP Welcome Amenities 2x Hilton Honors Meeting Planner Points Complimentary welcome water bottle for arriving guests at check-in 1 per 40 comp All groups and meetings include: 15% off Audio Visual Provided by Encore Complimentary Guestroom Internet Complimentary Meeting Room Internet ***Based upon availability***