Michigan · National Lakeshore trail

Empire Bluff Trail - The Ice Age

in Michigan

The hilly terrain and scattered boulders are evidence of glaciation. Only about 11,800 years ago, the last glacier melted from this area. As Glaciers move across the land, they pick up rock and soil, and as they melt, they deposit the debris irregularly to form hills and valleys.

Glacially transported boulders located far from their point of origin are known as erractics, literally "travelers." The bedrock in this area is made up of sedimentary rocks such as limestone and shale, but is buried under several hundred feet of glacial deposits. The boulder is a glacial erratic. It must have come from a distant place, perhaps Michigan's Upper Peninsula or Canada.

States: Michigan
Trail type: National Lakeshore trail
Centroid nearest city: Grand Rapids, MI · 128 mi · ~3.7 hr drive
Centroid coords: 44.7995°, -86.0597°

About Sleeping Bear Dunes National Lakeshore

National Lakeshore

This trail is inside Sleeping Bear Dunes National Lakeshore, a national lakeshore managed by the U.S. National Park Service. Conditions, road status, trail closures, and reservation requirements are published on the park's NPS page — check it before driving in, especially in winter or during major weather events.

Entrance fee: $25 per vehicle (verify current rate on the park page). An America the Beautiful annual pass ($80) covers entrance to all NPS units.

Official NPS trail page: https://www.nps.gov/places/000/empire-bluff-trail-the-ice-age.htm

Park homepage: https://www.nps.gov/slbe/index.htm

Plan your hike

Practical notes

Maps + permits: long-distance trails like this often require permits for through-hiking, backcountry camping, or specific sections (especially in National Parks). Check with the maintaining organisation listed above and the relevant land manager before booking travel.

Water + supplies: water sources vary seasonally on most U.S. trails. Carry a filter and consult current trail-condition reports — through-hiker journals (PCT-L, AT Reddit, etc.) and the maintaining organisation publish regular updates.

When to go: hiking seasons vary widely with elevation, latitude, and snowpack. Through-hikers traditionally start the AT in March-April (Springer northbound) and the PCT in late April (Campo northbound). High-elevation western trails (CDT, JMT, Wonderland) generally aren't passable until July.

If you've hiked Empire Bluff Trail - The Ice Age and have current notes (water sources, trail closures, permit changes), tell us at /contact — we update pages as we learn.