Earth Week 2019 

Bring your friends! Bring your family! Enjoy some time outdoors making Lost River Cave the best natural environment it can be. Volunteer from April 21 through April 27 to help clear out the invasive plants that choke out the growth of the natives. Read More

Junior Naturalist Program

Designed for children ages 6-12 who meet every other month to discover, investigate and enjoy fun nature-centered adventures. The programs give children hands-on experiences as they explore and learn about nature. Check back for upcoming Junior Naturalist Programs. Read More

Spring Break Camp

Sign your child up for five days of exploration , adventure, and Nature! Join our knowledgeable program guides as they lead an immersive and interactive experience for young adventurers ages 6-12. Read More

Water Wheel Rounds at Lost River Cave

Hear original music performed by the talented songwriters who wrote it. Each unique performance will feature local artists, guests from Nashville, and as far away as Toronto, Canada. Read More

Nature Trading Post 

The Nature Trading Post empowers children to learn about and share their exciting outdoor discoveries. This attraction is open the 2nd and 4th Saturday, April-October, from 1-4 pm. Read More

Adult Nature Education Series: Spring Wildflower Hike

Hike the trails of the valley and see the most beautiful harbingers of spring as our Chief Naturalist shares ethobotany facts and folklore fun. Read More


Lost River Cave is proud to host Tinkergarten BG! Tinkergarten provides high-quality play-based early childhood learning in the healthiest classroom of all—the outdoors! Read More

Green River Grotto

The Green River Grotto holds monthly meetings in the River Birch Room at Lost River Cave. This organization is dedicated to the responsible survey, documentation, clean-up, and conservation of caves and the karst landscape. Read More

Kentucky Sierra Club – Mammoth Cave Group  

Lost River Cave is home to the Mammoth Cave Group of the Kentucky Sierra Club Chapter. The group meets at 6:30 pm on the third Tuesday of the month in the River Birch Room. The group focuses on environmental issues impacting the Mammoth Cave area including sprawl, and air and water quality issues. Read More