BMW Riders Association annual rally in Wellsboro, PA. Smaller than the MOA, but in a fantastic riding area. 1-2,000 attendees.
From the RA website,
Join us July 19, 20 & 21st, 2018 at the Tioga County Fairgrounds in Wellsboro, Pennsylvania for 3 days of camping, vendor shopping, seminars and door prizes. Cool nights, great riding, plenty of other lodging in the area and many great roads to explore. You’ll be less than 30 minutes away from the Grand Canyon of Pennsylvania. Watch this page for information as it becomes available.
Go here to get more information and register.