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Gallatin County

Top 8 Lakes in Gallatin County

Lakes in Gallatin County, Montana, offer diverse natural landscapes and recreational opportunities. The region features a mix of accessible reservoirs and secluded alpine lakes, set against a backdrop of mountain scenery. These bodies of water are popular destinations for various outdoor activities. The area provides options ranging from easily reachable spots to more challenging high-elevation trails.

Best lakes in Gallatin County

  • The most popular lakes is Lava Lake, a lake that can be reached with an easy hike along…

Last updated: April 26, 2026

Fairy Lake

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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 …

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Hyalite Reservoir

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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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Glen Lake

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This 4-acre lake, hosts a sandy beach, a fishing and diving dock, and a climbing rock for outdoor enthusiasts. You can also enjoy the views of the Bridger Mountains and …

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Large lake in the national forest just outside the west entrance of Yellowstone National Park with abundant free dispersed camping that doesn't require reservations or permits and is far from noisy park campgrounds

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Bear Lakes

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Away from the crowds and offering a true mountain lake feeling, the two Bear Lakes sit just under 7,000 feet in the Custer Gallatin National Forest. If you are up …

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Lava Lake

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From the Gallatin river and the US 191, you can reach Lava lake with an easy hike along Cascade Creek or extend the hike to Table Mountain.

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Emerald Lake

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Emerald Lake is beautiful, isolated, and surrounded by epic peaks. There is the potential to continue further to the west from here on Hidden Lake trail if you feel like extending your ride and checking out another breathtaking, high-altitude lake.

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Blackmore Lake

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Yet another stunning, high-alpine lake in this region that will reward your efforts on the climb and provide an ideal break and snack spot for either the climb or the descent.

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Tips from the Community

Zachary
June 24, 2025, Glen Lake

As you ride by on Manley Road, you get an epic view of Baldy across the water. The lake is surrounded by a host of unpaved trails within the Rotary Park, which are decent for gravel riding.

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denvercx
June 29, 2024, Fairy Lake

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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Paul_C
December 4, 2023, Glen Lake

This 4-acre lake, hosts a sandy beach, a fishing and diving dock, and a climbing rock for outdoor enthusiasts. You can also enjoy the views of the Bridger Mountains and the Gallatin River as you run along the trails that connect the park to the rest of the city. Glen Lake is a great place to enjoy a summer day in Montana.

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Matthew
August 9, 2023, Fairy Lake

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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Matthew
July 25, 2023, Bear Lakes

Away from the crowds and offering a true mountain lake feeling, the two Bear Lakes sit just under 7,000 feet in the Custer Gallatin National Forest. If you are up for a big day and just want to see mountain lakes, you can combine these lakes with Mystic Lake and form a loop (or a point-to-point) starting from various trailheads.

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Matthew
July 24, 2023, Fairy Lake

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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Yet another stunning, high-alpine lake in this region that will reward your efforts on the climb and provide an ideal break and snack spot for either the climb or the descent.

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Frequently Asked Questions

What are some popular lakes for outdoor activities in Gallatin County?

Gallatin County offers a variety of popular lakes for outdoor enthusiasts. Hyalite Reservoir is known for paddleboarding, kayaking, and fishing, while Hebgen Lake is excellent for boating, fishing, and swimming. For hikers, Lava Lake and Fairy Lake offer rewarding alpine experiences.

What kind of scenery can I expect around the lakes in Gallatin County?

The lakes in Gallatin County are set against stunning backdrops, ranging from tranquil mountain scenery at Hyalite Reservoir to the expansive waters of Hebgen Lake. Alpine lakes like Fairy Lake, Emerald Lake, and Heather Lake boast emerald-colored waters, towering cliffs, and pristine meadows, often framed by dramatic peaks like Sacajawea Peak.

Are there good fishing opportunities at the lakes in Gallatin County?

Yes, Gallatin County lakes are renowned for fishing. Hebgen Lake is considered one of North America's best dry fly fishing lakes, with abundant cutthroat, rainbow, and brown trout. Hyalite Reservoir has cutthroat trout and Arctic grayling, while Lava Lake is home to wild rainbow trout. Emerald Lake is stocked with Arctic grayling, and Heather Lake holds cutthroat trout.

Where can I go hiking near the lakes in Gallatin County?

Many lakes in Gallatin County are excellent hiking destinations. You can find trails around Hyalite Reservoir, including the easy 1.1-mile Palisade Falls trail or the more challenging Blackmore Lake trail. The hike to Lava Lake is a popular 3-mile trek, and Fairy Lake offers access to Sacajawea Peak. For more hiking options, explore the Hiking in Gallatin County guide.

Are there camping options near the lakes in Gallatin County?

Yes, camping is available near several lakes. Hood Creek and Chisholm Campgrounds are located at Hyalite Reservoir, offering picnic sites and boat ramps. Hebgen Lake provides numerous scenic camping options, including abundant free dispersed camping. There is also camping close to Fairy Lake, though the access road can be bumpy.

What water activities are available at Gallatin County lakes?

Gallatin County lakes offer diverse water activities. Hyalite Reservoir is ideal for paddleboarding, kayaking, and canoeing due to its 'no wake' rule. Hebgen Lake is perfect for boating, with marinas offering rentals, and swimming is enjoyable from July onwards. Ennis Lake, formed by the Madison River, is known for its warmer waters, making it a popular spot for swimming earlier in the summer.

Are there family-friendly lakes in Gallatin County?

Absolutely. Hyalite Reservoir is considered family-friendly with easy trails like Palisade Falls. Glen Lake features a sandy beach, fishing dock, and climbing rock, making it great for a summer day. Ennis Lake is also a popular family spot, especially Kobayashi Beach with its picnic tables and rope swing.

What is the best time to visit Gallatin County lakes?

The best time to visit depends on your desired activities. Many lakes are accessible year-round. Summer (July onwards) is ideal for swimming at Hebgen Lake and Ennis Lake, and for hiking to alpine lakes like Fairy Lake and Lava Lake. Winter transforms areas like Hyalite Reservoir into a wonderland for ice fishing, nordic skiing, and snowshoeing.

Are there opportunities for gravel biking near the lakes?

Yes, Gallatin County offers gravel biking opportunities. While not directly lakeside, the region has a network of unpaved trails, such as those around Glen Lake within Rotary Park, which are decent for gravel riding. For more routes, check out the Gravel biking in Gallatin County guide.

Are there any less crowded lakes for a more secluded experience?

For a more secluded and adventurous experience, consider alpine lakes like Fairy Lake, which requires a bumpy drive and offers a serene environment. Ramshorn Lake, reached via a 6.5-mile hike, also provides a tranquil setting amidst the Gallatin Range, away from more accessible spots.

What winter activities are available at Gallatin County lakes?

In winter, Hyalite Reservoir becomes a popular destination for ice fishing, nordic skiing, and snowshoeing. The surrounding Hyalite Canyon Recreation Area offers a beautiful snowy landscape for these activities.

Are there any large lakes for extensive boating and water sports?

Yes, Hebgen Lake is a large, man-made lake approximately 14 miles long and up to 4 miles wide, making it ideal for extensive boating, accommodating everything from large motorboats to kayaks and paddleboards. Canyon Ferry Lake, Montana's third-largest body of water, also offers 76 miles of shoreline for boating and other water sports.

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

Flathead CountyGlacier CountyCuster Gallatin National ForestCabinet MountainsKootenai National ForestLincoln CountyMissoula County

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Things to Do around Belgrade

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