Best lakes in Custer Gallatin National Forest are found across its over 3.1 million acres, primarily located in southern Montana and extending into Wyoming. The forest features diverse landscapes, from subalpine forests to grasslands, supporting abundant wildlife. This region provides extensive recreational opportunities centered around its numerous lakes.
Last updated: May 11, 2026
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Popular around Custer Gallatin National Forest
Unforgettable MTB Adventures β IMBA Epic Trails in USA and Canada
Hiking in Custer Gallatin National Forest
MTB Trails in Custer Gallatin National Forest
Road Cycling Routes in Custer Gallatin National Forest
Cycling in Custer Gallatin National Forest
Running Trails in Custer Gallatin National Forest

Gravel biking in Custer Gallatin National Forest
Pine Creek Trail in the Absaroka-Beartooth Wilderness leads you through dense forest, wildflower meadows, and past cascading waterfalls on the way to a high alpine lake. Itβs a challenging but rewarding hike, with sweeping mountain views that open up as you gain elevation.
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The Emerald Lake Trail is a challenging trail that takes you past Emerald Lake and Heather Lake. The trail climbs consistently but is never too steep.
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Great alpine lake sitting in a cirque/basin at the base of Sacajawea Peak. The main access trail is a gentle grade of switchbacks to the lake's edge for magnificent views of the pristine lake and the dramatic mountains behind. There is a rougher rooted out trail that encircles the lake, and you can take the steps back up to the trail head, which is a "shortcut". Highly recommended! There are longer trails that access the lake, too, if you want a longer hike and better workout. Campground nearby, mostly just tents, since trailers can't be hauled up the rough access road.
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Fairy Lake is a high elevation lake tucked in the trees just below treeline in Custer Gallatin National Forest. There is camping close by and a trailhead for gaining access to Sacagawea Peak and Bridger Ridge. The reservoir stays frozen late into the springs and has a small nature trail that travels around the banks.
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Fairy Lake is a high elevation lake tucked in the trees just below treeline in Custer Gallatin National Forest. There is camping close by and a trailhead for gaining access to Sacagawea Peak and Bridger Ridge. The reservoir stays frozen late into the springs and has a small nature trail that travels around the banks.
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Hyalite Reservoir is a large artificial lake that affords opportunities for day-use hiking, easy strolls, or the perfect launching point for more aggressive, big-mountain singletrack riding. Even if a bit busy, plenty of parking is available.
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Beehive Basin Trail is one of the most popular hikes from Big Sky. The trail offers amazing views until the glacial cirque of Beehive Basin!
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Among the most popular lakes are Beehive Basin Lake, known for its wildflower meadows and panoramic mountain views, and Fairy Lake, a high-elevation lake nestled below Sacajawea Peak. Hyalite Reservoir is also a favorite for day-use activities and easy strolls.
Yes, several lakes offer family-friendly experiences. Fairy Lake has a small nature trail around its banks, and Hyalite Reservoir provides opportunities for easy strolls. For more options, you can explore easy hikes in Custer Gallatin National Forest, which include trails like Ousel Falls Trail and Porcupine Creek Trail.
For experienced hikers, the Custer Gallatin National Forest offers several challenging routes. The trail to Emerald Lake and Heather Lake is a popular 10.8-mile out-and-back hike with a significant incline. Lava Lake involves a 5.8-mile hike with about 1,600 feet of elevation gain. The West Rosebud Trail to Mystic Lake is an 11.4-mile out-and-back route, and the Hyalite Creek Trail to Hyalite Lake is an extensive 16.2-mile round trip, passing numerous waterfalls.
The best time to visit depends on your activity. For wildflowers and clear days, mid-summer to early fall is highly recommended, especially for trails like Beehive Basin Lake. Keep in mind that high-elevation lakes like Fairy Lake can remain frozen late into the spring.
Yes, some lake trails are dog-friendly. For example, the trail to Beehive Basin Lake is designated as dog-friendly. Always check specific trail regulations and ensure your dog is on a leash and you pack out all waste.
Yes, there are opportunities for camping and backpacking. Fairy Lake has camping close by, and Lava Lake is a popular destination for backpacking. The Basin Lakes are also situated near the Basin Campground, offering additional recreational opportunities.
The Custer Gallatin National Forest is home to abundant wildlife. You might spot various bird species, deer, elk, and possibly even bears. Lakes like Lava Lake are known for active populations of wild rainbow trout, making them popular for fishing.
For popular trailheads like the one for Emerald Lake and Heather Lake, it's advisable to arrive early, especially during peak season, due to high demand. Hyalite Reservoir typically has plenty of parking available, even if it's busy.
Beyond the lakes, the region boasts stunning natural features. Many trails, such as the Pine Creek Trail, lead through dense forests and wildflower meadows, past cascading waterfalls, and offer sweeping mountain views. The Hyalite Creek Trail alone passes more than ten waterfalls, including the easily accessible Grotto Falls.
Absolutely. While many trails are for hiking, areas like Hyalite Reservoir serve as a launching point for singletrack riding. You can also find gravel biking routes in Custer Gallatin National Forest, including loops from Clyde Park and Bozeman.
While not widely publicized, beyond Mystic Lake, more adventurous hikers can continue to Island and Silver Lakes. However, be aware that the trail beyond Huckleberry Creek is not maintained, offering a more rugged and secluded experience.
Visitors consistently praise the breathtaking mountain views, pristine alpine waters, and the diverse range of experiences available. From the wildflower meadows of Beehive Basin Lake to the dramatic cirque of Fairy Lake, the natural beauty and tranquility are frequently highlighted.


Still not found your perfect lake in Custer Gallatin National Forest? Check out the guides of these regions to see even more beautiful places.