Thanks for the suggestions, RM. Looks like a cool place, but they don't have facilities for enough of us.
Here's another suggestion-
Lake Wenatchee state park on Hwy2 ouside of Leavenworth.
http://www.parks.wa....=Lake Wenatchee
OH! And and even BETTER OPTION!
Seriously, check out this one-
KOA in Leavenworth-
http://koa.com/campg...enworth/photos/
It's a pretty dorky website, but if you check out the map, they have group sites, tents, RVs, cabins, volleyball, basketball, game room, heated pool, playground, on the river, horse shoes.....
just got some pricing-
large tent site $54/night, can fit 2 large or up to 4 small tents per site, with $5 per person extra charge for more than 2 people.
basic trailer site- $55/night, and can add a tent (or 2???) with the extra person charges.
So if 3 tents (6 people) go in on one site, that's about $25 per night, and obviously even less if another tent goes in there.
KOA starts taking reservations in February.