[Alumiyum]

If your campus has a retreat or lodge that is far enough away from the main campus to be usable for a retreat, look into it. My chapter tried to avoid that option for retreats, but if you make it a lock-in, it can work. It's always cheap. Boy Scout and religious camps as many have suggested are great options. So are state parks if there is one close enough to be worth traveling there for a short retreat. Many have chalets or cabins for very low prices, and if you have outdoorsy members there's always camping. Make sure to ask the chapter if anyone can volunteer a venue because there's usually someone with a lake/beach/mountain house or simply a home with a large basement or play room.