I've heard a lot of people say things like, "Girls, wear flats, because you'll be doing a lot of walking." I happen to be pretty short, and usually wear some kind of medium-height heel or wedge most days. I don't wear absurd stillettos, but I wouldn't want to go for a hike in my wedge booties, either.
How much walking does one typically do at these interview weekends? Are we getting toured around the entire campus, or just walking between a few rooms in a building?