Mount Rainier, the most heavily glaciated peak in the contiguous United States, offers an exciting challenge to the mountaineer. Each year successfully climb this 14,410 foot active volcano. Use this website to gather information on , Northwest Avalanche Center avalanche forecast, , , Climbing Permits & Fees, Regulations, , and other . If you would like more information, contact Mount Rainier climbing rangers at (360) 569-6009.
Reaching the summit requires a vertical elevation gain of more than 9,000 feet over a distance of eight or more miles. Climbers must be in good physical condition and well prepared. Proper physical conditioning can offset the effects of fatigue that lead to mistakes and injuries.
Weather, snow, and route conditions can change rapidly, making the difference between a pleasant and rewarding experience or tragedy. Before beginning a climb, obtain a current weather forecast. During your climb, turn back if weather conditions deteriorate. Severe winter-like storms on the mountain are not uncommon during the summer.
WINTER CLIMBING
Winter storms on Mount Rainier are frequent and severe, with high winds, deep snow, and extremely poor visibility. Winter conditions generally exist from mid-September to mid-May. All parties attempting a winter ascent should be experienced in winter mountaineering, avalanche forecasting and rescue, and be familiar with the intended routes of ascent and descent. The maximum party size for winter climbing is 12. A party size of at least 4 is recommended.