Lost River Cave is home to the Mammoth Cave Group of the Kentucky Sierra Club Chapter.  The group focuses on environmental issues impacting the Mammoth Cave area including sprawl, and air and water quality issues.

Meetings are the 1st Thursday of each month starting with an informal chat at 6:30pm and the meeting starting at 7pm. All meetings will be held on Zoom until further notice.

For more information and updates, please visit the group’s Facebook Page or click the learn more button below.