This updated edition of the popular NOLS Wilderness Mountaineering reflects the most current practices, equipment, and risk management in mountain climbing. With a new essay on transitioning from climbing gyms to real rock and all new rescue system illustrations for both glacier and rock settings, this instruction manual is a thorough introduction to the basics of wilderness mountaineering and the core mountaineering curriculum at NOLS. The third edition is the ideal resource for what it takes to climb and travel in the mountains. The National Outdoor Leadership School (NOLS) is a private, nonprofit school based in Lander, Wyoming. With 14 main operating locations around the world, NOLS has graduated more than 100,000 students since its founding in 1965. From Idaho, Washington, Arizona, Alaska, Wyoming, the Yukon, Baffin Island, India, the Amazon, Mexico, Patagonia, Australia, and New Zealand, NOLS is the leading source and teacher of wilderness skills and leadership that serve people and the environment.