Climbing Iconic Mount Rainier in 2025

Whether a first-time climber, or a seasoned veteran, preparation for this the Mt. Rainier journey begins now. The actual climbing season begins around late May and runs through September. Of course, very experienced mountaineers often attempt winter ascents on Mt. Rainier, though this guide focuses on late-spring and summer climbing. This chapter focuses on pre-climbing season conditioning and introduces gear, technical requirements, and an introduction to routes. Mount Rainier National Park Standing 14,410 feet, this massive stratovolcano presents a formidable challenge for climbers of all levels. With 25 glaciers comprising the rugged mountain, climbers face the most glaciated peak in the lower-48 states, second only to Denali and other mountains in Alaska. The mountain's volcanic nature and changing weather conditions add to its complexity. The imposing glaciers and unpredictable weather demand meticulous preparation from every climber. Preparing your body for the rigors of high-altitude climbing requires