Spring Mill State Park, in Mitchell, IN, offers visitors many opportunities to get in touch with natural features, Pioneer culture, and the early stages of space exploration. Inside the park is a memorial to hometown hero, Virgil "Gus" Grissom. The Indiana State Nature Passport allows you to earn prizes as you explore Indiana DNR properties. It's free to sign up: https://visitindiana.com/explore All you need to do is check in to one of the passport locations, and you are on your way to earning p

Winter Wonderland at Spring Mill State Park | Lawrence County Tourism

📍 Spring Mill State Park – Mitchell, Indiana This park is packed with history, adventure, and natural beauty all in one stop. We think it’s Indiana’s most underrated state park! 🛶 Take the Twin Caves boat tour and float through underground passages (only $3 per person, but get there early!) 🏡 Check out the Pioneer Village, with over 20 historic buildings from the 1800s. 🚀 Visit the Gus Grissom Memorial, honoring the Indiana-born astronaut and American hero. 🪨 Explore Donaldson Cave, one of