Highlight • Lake
Hiking
5.0
(5)
Iceberg Lake is a captivating alpine lake nestled within the Many Glacier region of Glacier National Park, Montana, United States. Situated at an elevation of approximately 1,889 meters (6,196 feet), this glacial remnant is renowned for its vivid turquoise waters and the actual icebergs that often float on its surface well into the summer. Towering peaks like Mount Wilbur and Iceberg Peak, along with the dramatic Ptarmigan Wall, create a stunning backdrop for this natural wonder.
What truly captivates visitors is the unparalleled beauty of Iceberg Lake, often described as a dreamscape. Hikers consistently rave about the intense glacier blue of the water, especially when the morning sun illuminates the lake. The sight of ice floes drifting on the surface, set against the imposing cliffs of the surrounding cirque, creates a magnificent and unforgettable scene that draws people back year after year.
Preparing for the Iceberg Lake hike involves a roughly 9.6 to 10-mile round trip with an elevation gain of about 1,200 to 1,459 feet, starting behind the Swiftcurrent Motor Inn. While generally considered moderate, hikers should be ready for varied Iceberg Lake terrain, including forest paths and rocky sections. It's crucial to carry bear spray and make noise, as the area is prime habitat for wildlife like grizzly bears, black bears, and moose. Swimming in the extremely cold, glacier-fed water is not recommended for safety.
The best time to visit Iceberg Lake is typically from July to August, when the weather is most favorable and the icebergs are still present. During this period, the alpine meadows along the trail burst with vibrant wildflowers, including stunning bear grass blooms. Beyond the iconic Iceberg Lake views, visitors can enjoy wildlife viewing, photography, and peaceful picnics amidst the spectacular natural beauty.
Arriving in the morning offers a special experience, as the lake is bathed in sunlight, intensifying its glacier blue hue. The presence of ice floes, particularly in the spring and early summer, adds a unique charm to the landscape. Keep an eye out for mountain goats on the rocky peaks and marmots scurrying near the trail, adding to the rich wildlife at Iceberg Lake trail.
Whether you're seeking a challenging day hike or a scenic stroll, the Iceberg Lake trails offer diverse options for exploration. Discover various Iceberg Lake routes and plan your adventure with komoot, finding detailed maps and community-contributed insights to make the most of your visit to this iconic Glacier National Park destination.
This Highlight is in a protected area
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Tips
September 7, 2019
Hiking
August 11, 2025
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Nearby routes
Best routes near Iceberg Lake

5.0
(5)
39
hikers
8.47km
02:29
380m
20m
Embark on the Iceberg Lake Trail, a moderate hike spanning 5.3 miles (8.5 km) with an elevation gain of 1234 feet (376 metres). You can expect to complete this route in about 2 hours and 29 minutes. As you hike, you will journey through varied landscapes, from peaceful old-growth forests to vibrant meadows bursting with wildflowers. The path offers expansive views of towering peaks like Mt. Grinnell and Mt. Wilbur. The ultimate reward is Iceberg Lake, a stunning turquoise alpine lake where icebergs often float even in summer, nestled beneath steep cliffs.
This trail is very popular, especially during the summer months, so plan to start early to secure parking and avoid crowds. Because you will be hiking in prime grizzly bear habitat, always carry bear spray and make noise as you go. Before your visit, remember to check for any seasonal considerations or permit requirements that might affect your trip. Always be prepared for changing weather conditions in the mountains.
Iceberg Lake Trail is a highlight within Glacier National Park, known for its unique geological features and abundant wildlife. The presence of floating icebergs well into the summer makes this destination particularly special. This area is also home to diverse ecosystems, from subalpine forests to alpine tundra, supporting a variety of plant and animal life. Keep an eye out for local fauna, but always maintain a safe distance.

5.0
(8)
240
hikers
16.1km
04:35
370m
370m
Hike the 10.0 miles (16.1 km) Iceberg Lake Trail in Glacier National Park to see floating icebergs and stunning mountain views.
Details
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Elevation 1,860 m
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The hike to Iceberg Lake is approximately 9.6 to 10 miles round-trip. Hikers can expect an elevation gain of about 1,200 to 1,459 feet from the trailhead behind the Swiftcurrent Motor Inn.
The Iceberg Lake trail is generally considered moderate. While it's a significant distance, much of the path has a gentle slope, making it accessible to many hikers, including active families. However, its length and elevation gain require a reasonable level of fitness.
The trail offers diverse terrain, winding through old-growth forests, open meadows, and rocky sections. You'll experience varied landscapes as you ascend towards the lake, including views of surrounding mountains and the dramatic Ptarmigan Wall.
Yes, the trail passes by Ptarmigan Falls, a notable landmark. Hikers are also treated to panoramic views of surrounding mountains like Mount Grinnell and Swiftcurrent Mountain, and the impressive 1,500-foot arête known as the Ptarmigan Wall.
The Many Glacier area is rich in wildlife. Hikers have a good chance of spotting grizzly bears and black bears (especially in late summer foraging for berries), moose near water sources, mountain goats on rocky peaks, and smaller animals like marmots and pika. Always carry bear spray and make noise.
While Glacier National Park offers a shuttle system, direct public transportation to the Swiftcurrent Auto Camp Historic District (the trailhead for Iceberg Lake) is limited. Most visitors arrive by private vehicle. It's advisable to check the official Glacier National Park website for the most current shuttle routes and schedules.
Hiking the Iceberg Lake trail itself does not typically require a specific permit beyond the standard Glacier National Park entrance fee. However, if you plan to camp overnight in the backcountry, a wilderness permit would be necessary. Always check the official park website for any updated regulations or reservation requirements, especially during peak season.
For the most vibrant colors and intense glacier blue, it's highly recommended to arrive in the morning. User tips suggest that when the lake is in the sun, its unique blue hue is even more striking, offering excellent photographic opportunities.
Yes, the Iceberg Lake trailhead is located behind the Swiftcurrent Motor Inn, which typically offers dining options and a general store where you can purchase snacks and drinks before or after your hike. The Many Glacier Hotel, a short drive away, also provides additional restaurant choices.
Hikers should pack essentials such as plenty of water, snacks, layers of clothing (weather can change rapidly), rain gear, sunscreen, a hat, and sturdy hiking boots. Given the wildlife, carrying bear spray is crucial. Binoculars are also recommended for wildlife viewing and enjoying distant vistas.
Swimming in Iceberg Lake is not recommended for safety reasons. The water is extremely cold, being glacier-fed, and poses a risk of hypothermia. The lake is best enjoyed from its shores, admiring the floating icebergs and stunning scenery.
The presence of icebergs well into the summer is due to the lake's unique characteristics: its cold, glacier-fed waters, its north-facing cirque position, and the significant shade provided by towering peaks like Mount Wilbur and Iceberg Peak. These factors create a microclimate that preserves the ice longer.