North Cascade Glacier Accumulation Season 2025/26

Since 1984 we have measured glacier mass balance on North Cascade glaciers every year. Mass balance is the difference between accumulation (income) and melt (expenses). The accumulation season typicallys ends around May 1. In 2026 it ended on April 19. In early December snowpack was average above 1500 m (5000 feet) and limited below. The Continue reading North Cascade Glacier Accumulation Season…