I'm not really one for organizing stuff, more of a play it by ear kinda guy, but....
The Pirate Lair Picnic may be a place for the PPBBers to meet up and go for a ride.
http://www.piratesk12site.net/ChimneyRockParty.htm
Here is the google map from the Biltmore. Looks to be about 25 twisty miles on 74.
http://maps.google.com/maps?f=d&hl=en&saddr=Biltmore+,+NC&daddr=Chimney+Rock+Park,+NC&sll=35.441495,-82.247794&sspn=0.006573,0.014462&ie=UTF8&om=1&ll=35.488629,-82.380295&spn=0.052554,0.1157&z=13