TrailGlacial Erratic – Forest Loop Trail
Glacial erratic—boulder dropped by ice. Forest loop shows geology breaking rock to soil in real time.
Glacier Bay National Park & Preserve
This is the conclusion of the Forest Loop Trail's guided interpretive tour in Bartlett Cove, where you examine a massive toppled tree with glacial rocks embedded in its roots. The site illustrates Glacier Bay's dynamic landscape—glacial retreat, isostatic rebound, plant succession, and forest turnover. It emphasizes Huna Tlingit land stewardship and the ongoing natural processes that define this wilderness.
Easy to Moderate
Examine a massive toppled tree whose roots contain rocks carried by glaciers from up Glacier Bay. Reflect on isostatic rebound, plant succession, and the dynamic forces reshaping Glacier Bay's landscape. Learn about Huna Tlingit stewardship and ongoing natural processes.
The interpretive signs here tie the entire Forest Loop narrative together—do not rush. The root ball itself is striking; the embedded glacial rocks are the key detail. Wildlife often moves through at dusk; extra vigilance then. Sit on the provided benches if available and absorb the landscape's change story.
Late May through early September
Short interpretive stop suitable for families; keep children close due to rooty terrain and bear activity. Dress warm; Glacier Bay's cool, wet conditions can affect young children.
Hikers say this interpretive conclusion is the payoff of the full Forest Loop—the root ball and glacial rocks bring Glacier Bay's geologic story into sharp focus. Educational, not strenuous. Weather and bears demand respect, but this is an accessible way to understand why Glacier Bay matters.
No permits required for day hiking on Forest Loop Trail
Shuttle access available to Bartlett Cove visitor area; no shuttle required for Forest Loop Trail itself
Glacier Bay's weather can shift dramatically in minutes, bringing cold, rain, and wind. Black bears frequent Bartlett Cove forest; make noise while walking. Rooty, uneven terrain is slippery when wet. This is remote wilderness; carry communication device and know evacuation options.
Rooty, steep sections of full Forest Loop; this conclusion point is on uneven forest floor
Short interpretive stop suitable for families; keep children close due to rooty terrain and bear activity. Dress warm; Glacier Bay's cool, wet conditions can affect young children.
Bartlett Cove Campground; Glacier Bay Visitor Information Station
Hikers say this interpretive conclusion is the payoff of the full Forest Loop—the root ball and glacial rocks bring Glacier Bay's geologic story into sharp focus. Educational, not strenuous. Weather and bears demand respect, but this is an accessible way to understand why Glacier Bay matters.
" Hikers say this interpretive conclusion is the payoff of the full Forest Loop—the root ball and glacial rocks bring Glacier Bay's geologic story into sharp focus. Educational, not strenuous. Weather and bears demand respect, but this is an accessible way to understand why Glacier Bay matters."
It's the conclusion of the Forest Loop Trail—a gentle 1–2 hour walk in Bartlett Cove forest. This root ball is the finale, not a standalone destination. Allow time for the full loop and interpretive stops.
No. This is an easy walk, not strenuous. Rooty terrain demands good boots and attention, but not high fitness. Families with school-age kids can do it.
Black bears are present. Make noise—talk or clap—while walking. Don't hike alone if possible. Bears rarely attack on busy trails, but respect their space and carry bear spray if you're experienced with it.
Glacier Bay rain can be intense and sudden. Waterproof jacket, pants, and pack cover are essential. If lightning threatens, get off the trail; seek shelter near the visitor center. Reschedule rather than push through dangerous conditions.
Cell is unreliable. The visitor center has radio contact with ranger services and can coordinate evacuation if needed. Always tell someone where you're going and when you'll return.
Yes, if they're comfortable walking 1–2 hours on uneven, rooty terrain in cool, wet conditions. Pack snacks, water, and extra layers. Keep them close due to bear activity. School-age kids typically manage it fine.
The embedded glacial rocks and the tree's story illustrate Glacier Bay's most profound forces: glacial retreat, isostatic rebound (land rising), plant succession, and forest turnover. It's a 10,000-year narrative compressed into one spot. The Huna Tlingit have lived here through it all.
3 listings
4 listings
Information is compiled from official sources, verified traveler reviews, and editorial research. Learn how YourNPGuide works →
We use basic, essential analytics to measure traffic. You can also allow deeper first-party analytics that help us improve our park guides. We never sell your data. Learn more
We use basic, essential analytics to measure traffic, plus optional deeper analytics to improve our park guides. We never sell your data. Choose what you allow. Learn more
Essential analytics that measure basic traffic stay on. The deeper, first-party analytics below are optional — turn on what you are comfortable with. We never sell your data. Read the notice
Site function plus basic visit counts via Google Analytics and Search Console — needed to see how many people visit. Always on.
How far you scroll, whether you finish an article, and which sections are read — so we know which guides to improve.
Clicks on links and buttons, and searches you run on the site — so we can fix confusing navigation and content gaps.