Explore one of Indiana's Natural Treasures: Spring Mill State Park! Visit the Limestone Grist Mill at the restored Pioneer Village, dating back to the early 1800's. As featured in Midwest Magazine, beautiful Spring Mill State Park abounds in endless opportunities for recreation. Naturalist activities, Cave tours, hiking, mountain biking and swimming anxiously await you. Rest peacefully in our historic 74 room Inn with its warm and cozy country decor, yet modern day accommodations. Relax in the Inn's indoor/outdoor pool and our full service dining room, open year 'round. Don't miss the Virgil I. "Gus" Grissom Memorial, honoring America's second man in space.