The ring is open most saturday and sundays for the full day, there is an easy to use calendar
http://bridgetogantry.com/index.php?...ents&Itemid=72
We wanted to include a full day on the ring but unfortunately it is closed for a race on saturday 29th August and whilst its open on Sunday 30th, we will be at Spa for the F1, so it only left the monday evening available to us.