You Make A Difference! Become a member and help conserve the 72-acre Park and Cave, provide children low-cost nature education, and maintain precious green space for our community to find common ground in nature. With no outside local, state, or federal funding, members really are the lifeblood of our organization; we can’t do it without you!

Annual Member Benefit$40$120$240$360$480$600$1200
Cave Boat Tour Tickets-4812162024
Discount at Lost River Cave Gift Shop15%15%15%15%15%15%15%
Discount on River Birch Room Rentals (max. 2/year)--15%25%35%50%65%
Early Event Notification and/or Access
Discount on Nature Programs15%15%15%15%15%15%15%
Special Member Events & Programs