If you'd like to select a park to visit but you don't know the date yet, that's fine. It might let others discuss dates, etc. with you as you're making your decision.
Tennessee is bordered by more states than any other in America. We're encouraging riders from other states to invade us for this project. Alabama, Arkansas, Georgia, Kentucky, Mississippi, Missouri, North Carolina and Virginia all touch Tennessee with 2 or 3 others close enough for an easy weekend trip.