For most of the Oregon State Parks you can reserve exactly nine months to the day in advance of the date of your arrival. The sixth annual Oregon Gathering will be July 17-20 2008. So, if you wanted to come into the park starting on July 17, you could make your reservations starting on October 17.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe