Grand Island Ice Caves Near Munising, Michigan
The Grand Island Ice Caves near Munising, Michigan are one of the most dramatic winter sights along the Lake Superior shoreline. During particularly cold winters, massive curtains of ice form along the cliffs of Grand Island, creating frozen walls, caves, and towering formations that can reach over 100 feet tall.
These formations only appear when Lake Superior freezes enough for visitors to safely walk across the channel from Sand Point to Grand Island. When conditions allow, it becomes one of the most unforgettable winter adventures in Michigan’s Upper Peninsula.
General Info
| Location | Grand Island Ice Caves |
| Nearby City | Munising |
| County | Alger County |
| Region | Michigan’s Upper Peninsula |
| Waterbody | Lake Superior |
| Distance From Shore | About ½ mile across the channel from Sand Point |
| Managed By | Hiawatha National Forest |
| Best Time To Visit | Mid-winter when Lake Superior ice conditions allow access |
| Access | Walking across frozen Lake Superior from Sand Point |
Where Is Grand Island?
Grand Island sits just off the shoreline of Munising, Michigan, within the Hiawatha National Forest. The island lies roughly half a mile from Sand Point on Lake Superior.
During the winter, when the channel freezes solid enough, people sometimes walk across the ice to reach the towering ice formations along the island’s shoreline.
Crossing Lake Superior
On our visit in February of 2015, my daughter and I set out early in the morning from Sand Point with the goal of seeing the ice curtains for ourselves.
The temperature that morning was brutally cold, reading -13°F when we stepped outside. Even with the cold, we were determined to make the walk across the frozen channel.
Standing on the ice and looking toward the towering cliffs of Grand Island is an experience that’s hard to describe. The ice curtains appear enormous, rising above the shoreline like frozen waterfalls.
The Ice Curtains
When conditions are right, water seeping through the cliffs freezes into massive layers of ice known as ice curtains. Some of these frozen formations can reach heights of over 100 to 150 feet.
Standing beneath these formations makes people look tiny in comparison. The frozen cliffs stretch along the shoreline and create small ice caves and tunnels beneath the formations.
Unexpected Company
When we reached the ice curtains, the only other people there were two gentlemen from Canada who had spent the night winter camping on the ice near the formations.
From a distance their bright orange tent looked no larger than a backpack against the towering ice cliffs.
The Sound of Cracking Ice
While we were exploring the formations, we heard a sharp cracking sound echo across the ice. It sounded almost like a firecracker.
It was the sound of the frozen lake shifting — something that definitely reminds you that walking across Lake Superior is not something to take lightly.
Other Visitors
As the morning went on, more people began arriving — ice climbers, photographers, and other visitors curious about the massive frozen formations.
A Once-in-a-Lifetime Experience
After about an hour exploring the ice formations, we made the walk back across the frozen lake.
Seeing the Grand Island ice caves up close was an unforgettable experience. While it was incredible to witness, it was also enough adventure for one lifetime.
For anyone interested in winter photography or exploring the Upper Peninsula in winter, the ice curtains of Grand Island are truly one of the most unique natural sights in Michigan.
Disclaimer: Ice conditions on Lake Superior change constantly and can be dangerous. Always check local conditions and use caution before attempting to walk on frozen lakes.