Welcome To The Middle Mississippi Valley Grotto Members Group!
The Middle Mississippi Valley Grotto (MMV) is a chapter of the National
Speleological Society, dedicated to the exploration, study and conservation
of caves. MMV has been a fixture in St. Louis since 1958, with over 500
monthly meetings to its credit.
MMV Meetings are generally held on the 4th Tuesday of the month,
7 p.m to 9 p.m. at the Powder Valley Nature Center, 11715 Craigwold Road, Kirkwood, Missouri. Meetings are free and open to the public. Meetings customarily are followed by a "meeting after the meeting"--details available upon attendance.