National Speleological Society


	Breaking News Complete a survey about this website and we'll make it worth your while! The SEPTEMBER 2017 Issue is now available. Earlier issues are here. Protect your membership by not sharing it outside your Society. The April 2017 Conservation Issue is available here to all. The April 2017 issue of the Journal of Cave and Karst Studies (Vol.79 No. 1) is available here. Find all issues here, and individual articles here. BAT BALL #2 - NEW YEARS' PARTY It's a member appreciation party and HQ fundraiser! Dinner & dancing, souvenir cup, craft libations, and t-shirt! Camping Friday thru Tuesday! Led cave trips and climbing course! Click the logo for info and registration. 2018 NSS Convention: Helena, Montana July 28 - August 3, 2018 Cave the Big Sky Country! Registration is now open! Webinars and Luminary Talks Comparing Two Rope Rescue Systems Comparing a main line that holds all the load, and a second belay line that is un-tensioned, versus two tension systems, where both ropes hold about half the total load at all times.. -- See more webinars Dale Pate, an NSS Luminary, June 2017 Best known as the Cave Specialist at Carlsbad Caverns, Dale spent decades exploring Sistema Purificación and other caves in Mexico. He is a strong advocate of cave conservation and documentation. -- See all the NSS Luminaries		The Virtual Cave Guide to Responsible Caving Caving Safety & Techniques Youth Group Caving