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What is the Battlefield Area Troglodyte Society?
The Battlefield Area Troglodyte Society, better known as BATS, is a National Speleological Society (NSS)-affiliated caving club (or grotto). We are a non-profit educational organization whose members share a common interest in caves and caving. Our primary goals are to provide a means for local cavers to meet and go caving and to educate people in the sport of caving in a positive, conservation-minded manner. We welcome the opportunity to provide information on caves and caving to educational groups, and will try to accommodate requests to go caving with us.

Who are we?
The Battlefield Area Troglodyte Society was founded in Fredericksburg, Virginia. BATS members hail from all over Virginia and the greater D.C. metropolitan region. We're also scattered throughout the U.S. and Canada.

When and where do we meet?
BATS meetings are held in the greater Fairfax City area on the 2nd Wednesday of each month. On even months, we hold a business meeting and program, and on odd months, we hold a social meeting/happy hour. Please check out the grotto calendar contact us for specific meeting location information (see links page header above).

Meeting Schedule:

Even Months (February, April, June, August, October, December)
Various locations
Meeting time: 7:00
PM–9:00 PM
BATS Meetings start promptly at 7:00
PM and follow a formal agenda that includes a business meeting, trip reports and trip planning, and a caving-related program. Program topics range from videos and slideshow presentations about cave explortion to hands-on activities designed to build your caving credentials.

Odd Months (January, March, May, July, September, November)
Various Locations
Meeting time: 6:30
BATS Social Meetings offer an informal setting to gather with like-minded folks to talk about caving and get to know other local cavers. We will make any grotto announcememnts at 7:30
PM, but otherwise, you may come and leave any time between 6:30 and 8:00 PM.

Who can join the BATS?
BATS membership is open to anyone interested in caving. We welcome new cavers and veteran cavers alike. Membership in the National Speleological Society is not required. However, we strongly encourage NSS membership, and only NSS members are allowed voting privileges on club matters.

What do we do?

  • Monthly Meetings
  • New Caver Orientation (NCO)
  • Beginner Cave Trips
  • Horizontal Caving 
  • Vertical Cave Training
  • Vertical Caving
  • Monthly Grotto Cave Trips
  • Ridgewalking Expeditions
  • National and Regional Caving Events
  • Cave Photography
  • Monthly Caving Trips
  • Ridgewalking Expeditions
  • Conservation Projects
  • Project Caving
  • Presentations to Local Organizations
  • Periodic Newsletters, both online and print
  • Cave Mapping

Renew BATS Dues: Select One
NSS Number
Join BATS! Select one:
NSS number (if a member)

For more information, contact:
20717 Waterfall Branch Terrace
Sterling, VA 20165

or send an e-mail to: