Lakes in Glacier County Montana are primarily located within Glacier National Park, a region shaped by ancient glaciers. This area features a diverse landscape of towering mountains, forests, and numerous lakes. These bodies of water offer varied natural features, from clear glacial waters to colorful rockbeds. The county's lakes are significant natural landmarks, providing a range of outdoor experiences.
Last updated: April 26, 2026
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Popular around Glacier County
Pacific Northwest National Scenic Trail — From Alpine to Alava through the untamed Northwest
Great Divide Trail – Section A to E: Waterton to Maligne Lake
The pristine beauty of the US National Parks
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July to August is the perfect time to visit iceberg lake!
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Glacier National Park spreads out over 1 million acres and is home to over 130 named lakes, rugged mountains, and dense forests. Established as the 10th national park in the United States, it was carved by ancient glaciers, creating U-shaped valleys. It once had 150 glaciers; only about 25 remain today, with projections indicating they may vanish by 2030 due to climate change. The area was home to multiple tribes, such as the Blackfeet, Salish, Kootenai, and Pend d’Oreille, who have inhabited the region for over 10,000 years.
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Large hotel directly on the lake shore, restaurant with a view over the lake, large hiking car park 100m away
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Very beautiful mountain lake with blue color, many small squirrels on the shore
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Stoney Indian Pass is the route less traveled by as CDT hikers begin (or end) their journey, though as you can see, it is absolutely worth taking as an alternate if you choose not to enter Canada! Along the west side of the pass, you are treated to the gorgeous Stoney Indian Lake, while the east side of the pass is laden with waterfall after breathtaking waterfall, all set against the backdrop of stunning glacially carved peaks!
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Montana’s Saint Mary Lake is on the east side of Glacier National Park and is the second largest lake in Glacier Park. It's 10 miles long and in a valley with mountains on either side. The lake can have strong winds and cold water, but it has unbeatable views. In winter, the lake can freeze over completely!
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A pristine mountain lake that is 100% worth the hike up. From this spot you have a beautiful view all the way to the waterfalls flowing down from Mount Grinnell and Upper Grinnell Lake.
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Big five-story hotel in the heart of Glacier National Park. From the hotel, you'll be able to enjoy almost everything Glacier National Park has to offer on day trips. Only the most remote areas will be a multi-day trip from here.
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Beyond the most popular spots, Glacier County offers several other stunning lakes. Hidden Lake, accessible via a trail from Logan Pass, provides mesmerizing views and opportunities for wildlife sightings. Lake McDonald, the largest lake in the park, is known for its colorful 'rainbow rocks' and offers a wide range of water activities. For a unique turquoise hue, consider the rewarding hike to Cracker Lake in the Many Glacier area. Avalanche Lake, with its vibrant turquoise water fed by cascading waterfalls, is reached via the scenic Trail of the Cedars.
Yes, several lakes offer family-friendly hiking options. The trail to Avalanche Lake starts on the wheelchair-accessible Trail of the Cedars, winding through an ancient forest. The Hidden Lake Overlook Trail is also suitable for most fitness levels, offering stunning views. Additionally, the area around Two Medicine Lake is noted as family-friendly.
The lakes in Glacier County are set amidst diverse natural features. You'll find towering mountains, dense forests, and clear glacial waters. Many lakes, like Grinnell Lake and Upper Two Medicine Lake, are fed by glaciers, giving them a distinct milky turquoise or brilliant blue color. Lake McDonald is famous for its colorful 'rainbow rocks' visible through its clear waters. Wildlife, including mountain goats, bighorn sheep, moose, and bears, are common sightings around many lake areas.
The ideal time to visit the lakes in Glacier County is generally from July to August, when trails are most accessible and the weather is favorable. For Iceberg Lake, visiting in the morning during this period can enhance the intensity of its glacier blue color. While many lakes are stunning in summer, some, like St. Mary Lake, can freeze with thick ice in winter, offering a different, serene experience.
Lake McDonald is an excellent choice for water recreation, offering boat rentals, tours, fishing, swimming, paddleboarding, and kayaking due to its relatively calm waters. St. Mary Lake also provides opportunities for boating and fishing, particularly for various trout species. Lake Sherburne is suitable for boating and fishing for brook trout and northern pike, though a boat is generally recommended for fishing there.
Yes, many lakes offer excellent fishing opportunities. St. Mary Lake is home to various trout species, including lake, cutthroat, and rainbow trout. Lake Sherburne is known for brook trout and northern pike. Upper Two Medicine Lake is also highlighted as an excellent location for trout fishing.
Glacier County offers numerous popular hiking trails near its lakes. The Hidden Lake Overlook Trail is a popular 2.7-mile out-and-back route. The Iceberg Lake Trail and Grinnell Glacier Trail are also moderate options. For a more challenging experience, consider the Pitamakan - Dawson Loop. Many trails, like those leading to Lake Josephine and Cracker Lake, are accessible from the Many Glacier area.
Several lakes are close to or fed by waterfalls. Avalanche Lake sits in a canyon fed by multiple waterfalls. From Grinnell Lake, you can enjoy views of waterfalls flowing down from Mount Grinnell. The Sun Point Nature Trail and St. Mary Falls Trailhead near St. Mary Lake lead to scenic waterfalls. You can find more waterfall hikes in the region by exploring the Waterfall hikes in Glacier County guide.
While many lakes in Glacier National Park can be popular, some offer a more peaceful experience. Lake Sherburne, a large man-made reservoir, provides a tranquil setting with opportunities for boating and fishing, and it's part of a wildlife corridor. The longer hike to Cracker Lake can also deter some visitors, offering a more secluded and incredibly rewarding experience with its brilliant turquoise waters.
The lakes in Glacier County are rich in wildlife. You might spot mountain goats, bighorn sheep, and occasionally bears around Hidden Lake. St. Mary Lake offers opportunities to see elk, mule deer, and both grizzly and black bears. Lake Sherburne is known for trumpeter swans in spring and fall, as well as moose and bears. Grinnell Lake and Upper Two Medicine Lake are also good spots for viewing bighorn sheep, mountain goats, and moose.
Backcountry camping in Glacier National Park is only allowed in established campgrounds, and you will need to apply for a permit as early as possible. For specific trail information and any required permits for day hikes, it's always best to check the official National Park Service website for the most up-to-date regulations. You can find more information on the Hidden Lake Trailhead page, which often includes general park guidance.


Still not found your perfect lake in Glacier County? Check out the guides of these regions to see even more beautiful places.