Enjoy PatriotFest, a BBQ for alumni, family and friends with food and live entertainment; take a tour of Mason's Fairfax Campus; catch up with old friends and classmates; and participate in Innovation 101 lectures by university professors.
Stay on campus at the new Mason Inn Conference Center and Hotel ($89/night for alumni)
http://alumni.gmu.edu/alumniweekend/hotels.html
Registration for the entire weekend is free. Prices vary for each event. Check the website for details.