The outdoor arena is about 90 x 200 and our indoor is about 80 x 200. There is a larger out door arena which is 120 x 200. The floor ir rubber chip so its easier on your horses feet and joints. The drainage is good for all of the arenas and it never floods, there is no dust and there is a fair bit of room. There is a cam recorder option in the indoor arena to see how your riding is.
