I sent Monte Brachmann, from the Columbia River Chapter, a short email to let him know we were discussing the mini-regional. He cc:d Allen Shade and hopefully they can join our discussion.
I think the toughest thing about finding a place you don't have to pay for might be to find one that will let a couple dozen cars park together, set up ropes, tents, and tables for 8+ hours without drawing attention to someone who will want to see a permit.