IHG One Rewards. It's better to be a member. Join IHG One Rewards to unlock benefits that will immediately enhance your next stay. Welcome to the Holiday Inn Belcamp - Aberdeen Area. When traveling to Aberdeen Proving Ground, Holiday Inn Belcamp - Aberdeen area wants to provide you with tasteful and exciting accommodations to meet your every need. The hotel has been carefully designed to do just that. Whether it's work, leisure, weddings, sports travel or just a romantic getaway, the Holiday Inn Belcamp - Aberdeen provides the modern day conveniences for all ages with luxurious hotel accommodations for every traveler, without the luxury prices. We are situated in the heart of Harford County Maryland, and the hotel closest to the Aberdeen Proving Ground's 715 Visitors Gate and located 30 miles north of downtown Baltimore home of the Ravens and the Orioles. When checking in, be sure to ask our front desk associates for a calendar of events or call our hotels direct phone number so you won't miss a beat!