Mammoth Mountain Opens With Top-to-Bottom Skiing and More Than 50 Runs

Good things come to those who wait, apparently.After a short delay spurred by low snowfall, Mammoth Mountain, California, opened today, November 20, 2025 with top-to-bottom skiing.According to the mountain’s lift status page, seven lifts and 54 trails are open. One lift, Chair 23, is on weather hold at the time of writing this. More lifts and terrain are expected through the weekend, Mammoth said.The opening presents a dramatic turnaround for Mammoth. The ski resort originally planned to o