Gulkana Glacier

Gulkana Glacier is a valley glacier flowing from the southern edge of the eastern Alaska Range, composed of a large mass of ice framed by surrounding mountain peaks. The ice field descends through a broad valley, displaying the typical ridged patterns and features of a working glacier system.

This glacier formed during earlier phases of glaciation in the Alaska Range and has shifted in size throughout its existence. Long-term monitoring and research have documented how this ice mass responds to natural variations and broader climatic patterns.

The glacier serves as an educational site where researchers and students conduct studies on glaciology, hydrology, and geological processes.

Summer months offer the best conditions for visiting, when higher elevations are mostly snow-free and trails are passable. Strong footwear and layered clothing are advisable, as mountain weather can change rapidly and conditions remain cool even in warm seasons.

The glacier exhibits noticeable seasonal shifts in thickness and extent, with its surface clearly retreating during warmer months. These fluctuations are directly observable to visitors and provide a firsthand view of how ice masses respond to yearly cycles.

Location: Alaska

GPS coordinates: 63.24083,-145.46750

Latest update: December 12, 2025 12:06