Outdoor Action Check-in is after dinner on Saturday, August 27 in Dillon Gym. 

You don't need to bring any equipment to Dillon Gym Check-in. At Check-in you'll meet the other members of your OA group and your OA Leaders. After Check-in you will head over to one of your Leader's rooms to spend the rest of the evening getting to know your group and learning about your activities for the week.