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Park County

Top 11 Lakes in Park County

Best lakes in Park County are found within a region known for its diverse natural landscapes. This area features a variety of water bodies, from highly acidic thermal pools to scenic reservoirs and alpine lakes. Visitors can explore unique geological formations and enjoy views of surrounding natural features. The region offers opportunities to experience different types of aquatic environments.

Best lakes in Park County

  • The most popular lakes is Sour Lake, a lake that is a highly acidic body…

Last updated: April 26, 2026

Sour Lake

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Sour Lake is located in Yellowstone National Park and is a highly acidic body of water. The lake's extreme acidity is because of the microorganisms that live in it; they …

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Storm Point Trail

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This 2.5 mile (4 km) hike takes you through grassy meadows and pine forests. Great views of Yellowstone Lake are seen from almost anywhere along the trail. You may see …

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Colloidal Pool

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This is actually a collection of several small pools that can range from gray to turqoise in color. There used to be geyser activity here and, although the water is still notably warm, it's cooled from its previous peak temperatures.

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Clear Lake

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Clear Lake is a lovely spot located in Yellowstone National Park and is mostly commonly accessed via the Ribbon Lake Trail. This is a great place to stop, eat a …

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Cascade Lake Trail

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The Cascade Lake Trail is a popular path outside of Canyon Village. The trail passes through meadows on its way to distant alpine lakes and a few of the higher peaks in the area.

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Buffalo Bill Reservoir was created by damming the North Fork of the Shoshone River. There are several scenic overlooks easily accessible from the road all along the lake shore.

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Pleasantly quiet, the South Shore of Buffalo Bill Reservoir has few visitors, and the Boat Ramp gives easy access to the water, with great sunsets.

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Grebe Lake

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Grebe Lake is one of the larger reservoirs in this backcountry area. There are a bunch of different primitive campsites around the reservoir that offer different perspectives of the water. …

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Lost Lake

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Lost Lake is the obvious climax along the Lost Lake Trail. The reservoir really sneaks up on you as you pop out of the trees while hiking, and there is always a good chance of seeing wildlife near the water.

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From this point on Buffalo Bill Reservoir, views to the north, east, and behind you to the south and southwest all offer striking and varied rock formations, views of the shimmering water, and—with luck—beautiful blue sky.

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Popular around Park County

From the Arctic Ocean to the Panama Canal — North American Epic

From the mountain peaks to the prairie – Rocky Mountains and Great Plains

Hiking in Park County

Cycling in Park County

Road Cycling Routes in Park County

Running Trails in Park County

Other adventures in Park County

From the Arctic Ocean to the Panama Canal — North American Epic

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Tips from the Community

Sigrid
October 5, 2025, Sour Lake

Sour Lake is a well-known geothermal feature in the Mud Volcano Area of Yellowstone National Park. This area is famous for its unusual and extremely acidic mud springs and thermal pools. Sour Lake is one of the most acidic thermal pools in Yellowstone, formed by the geological and microbial processes in the Mud Volcano Area.

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Sigrid
October 5, 2025, Storm Point Trail

Storm Point is a popular overlook and hiking trail in Yellowstone National Park, known for its beautiful setting on the shores of Yellowstone Lake and its abundant wildlife. Storm Point is located in the central part of Yellowstone National Park, near the Fishing Bridge Visitor Center and Yellowstone Lake. The trailhead is at the Indian Pond Pullout, about 4.8 kilometers (3 miles) east of Fishing Bridge on East Entrance Road. The trail passes through diverse ecosystems, including open meadows overlooking Indian Pond (a small pond), through pine forests, and along the rocky and windswept shore of Yellowstone Lake.

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Lisa
September 25, 2024, Colloidal Pool

This is actually a collection of several small pools that can range from gray to turqoise in color. There used to be geyser activity here and, although the water is still notably warm, it's cooled from its previous peak temperatures.

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Jamie S.
August 30, 2024, Sour Lake

Sour Lake is located in Yellowstone National Park and is a highly acidic body of water. The lake's extreme acidity is because of the microorganisms that live in it; they convert high levels of sulfur in the area into sulfuric acid. This process not only makes the water highly corrosive but also contributes to the lake's distinctive blue color. Sour Lake is not suitable for swimming or any direct contact due to its dangerous acidity so please only take photos and stay on the designated path.

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Jamie S.
August 30, 2024, Clear Lake

Clear Lake is a lovely spot located in Yellowstone National Park and is mostly commonly accessed via the Ribbon Lake Trail. This is a great place to stop, eat a snack, and take in the views over the clear blue water. Be warned, like many spots around the Grand Canyon of the Yellowstone, grizzly bears have been known to frequent this area.

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Anna
August 27, 2024, Colloidal Pool

Very easy to reach on the flat wooden walkway, very hot on sunny days

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Matthew
February 26, 2024, Grebe Lake

Grebe Lake is one of the larger reservoirs in this backcountry area. There are a bunch of different primitive campsites around the reservoir that offer different perspectives of the water. This is a great place to see the wildlife that call Yellowstone home.

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Matthew
February 26, 2024, Cascade Lake Trail

The Cascade Lake Trail is a popular path outside of Canyon Village. The trail passes through meadows on its way to distant alpine lakes and a few of the higher peaks in the area.

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Frequently Asked Questions

What are the best lakes for fishing in Park County?

Park County offers excellent fishing opportunities. Sour Lake is known for its unique ecosystem, though not for traditional fishing due to its acidity. For active fishing, consider Eleven Mile Reservoir, Montgomery Reservoir, Antero Reservoir, Spinney Mountain Reservoir, and Jefferson Lake, all widely recognized for their diverse fish populations. Wellington Lake is a private trophy fishery with various trout species, requiring an entrance fee.

Are there family-friendly lakes in Park County?

Yes, several lakes in Park County are suitable for families. Fairplay Beach Recreation Area is very convenient, located near downtown Fairplay, with a picnic area, fishing dock, and restrooms. Eleven Mile State Park and Reservoir also offer a range of family activities including camping, hiking, and boating. Storm Point Trail, which offers views of Yellowstone Lake, is also considered family-friendly.

Which lakes are best for hiking and outdoor activities?

Eleven Mile State Park and Reservoir is a great choice for hiking, with trails like the Midland Trail offering scenic views. Kite Lake, while high elevation, serves as a basecamp for accessing '14ers' and offers alpine hiking. For a less crowded alpine experience, Lake Emma is accessible via a spur trail from the Decalibron parking area. You can also explore nearby hiking routes like the easy Trout Lake Trail or the moderate Beaver Ponds Loop Trail.

Where can I find less crowded lakes in Park County?

For a more serene experience, consider Lake Emma, a classic rocky alpine lake accessible via a spur trail from the Decalibron parking area, which tends to be less crowded than Kite Lake. Helms Lake, an alpine pool just above the treeline, also offers a stunning backdrop and a peaceful setting for camping.

What unique natural features can I see at Park County lakes?

Park County's lakes offer diverse natural features. Sour Lake is a highly acidic body of water with a distinctive blue color due to microorganisms. Colloidal Pool features several small pools ranging from gray to turquoise. Montgomery Reservoir is known for its beautiful alpine environment surrounded by towering 14,000-foot mountains. Elk Falls Pond is a picturesque, rock-lined pond where marmots can often be spotted.

Are there opportunities for wildlife viewing near Park County lakes?

Yes, wildlife viewing is a highlight at several lakes. Montgomery Reservoir is a prime location for birding and spotting animals like marmots, chipmunks, foxes, deer, and moose. The Storm Point Trail near Yellowstone Lake offers chances to see bison in meadows and yellow-bellied marmots in the cliffs.

Which lakes are suitable for boating?

Eleven Mile Reservoir is a popular destination for boating. Wellington Lake also permits non-motorized boating. Note that boating and float tubes are not permitted at Fairplay Beach Recreation Area.

What should I know about visiting high-elevation lakes like Kite Lake and Montgomery Reservoir?

Kite Lake is nestled at a high elevation of 12,000 feet, and Montgomery Reservoir is at 10,873 feet. These alpine environments offer breathtaking scenery but can have rapidly changing weather. Kite Lake is a popular basecamp for accessing '14ers,' and Montgomery Reservoir is excellent for birding and wildlife. Always be prepared for cooler temperatures and potential altitude effects at these elevations.

Are there any lakes with camping facilities?

Eleven Mile State Park and Reservoir offers camping facilities. Wellington Lake also has a campground known for its peaceful atmosphere and magnificent views, with camping fees often including fishing access. Kite Lake has designated campsites available on a first-come, first-served basis, and Helms Lake allows camping following Leave No Trace principles.

What are the best times to visit Park County lakes?

The best time to visit Park County lakes generally depends on your desired activities. Summer and early fall offer ideal conditions for hiking, boating, and fishing. Some lakes, like Wellington Lake, also offer ice fishing during the winter. High-elevation lakes like Lake Emma can remain frozen late into spring and sometimes into summer, so check conditions if you plan to visit these earlier in the season.

Can I swim in the lakes of Park County?

Swimming and direct water contact are prohibited in some lakes, such as Montgomery Reservoir, to protect water quality. Sour Lake is also unsuitable for swimming or direct contact due to its extreme acidity. Always check local regulations for specific lakes before planning to swim.

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Find the best lakes in Park County per region:

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

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