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San Juan Mountains

Top 20 Lakes in the San Juan Mountains

Best lakes in the San Juan Mountains are found within a rugged range in Colorado, known for its diverse natural landscape. This region features numerous alpine lakes, many formed by glacial activity or natural geological events. The San Juan Mountains offer a variety of lake environments, from high-altitude basins to larger, more accessible bodies of water. These lakes are integral to the area's geography, providing distinct features for exploration.

Best lakes in the San Juan Mountains

  • The most popular lakes…

Last updated: July 1, 2026

Ice Lake

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Ice Lake is a stunning alpine lake that is perfect for a break. You are surrounded by the majestic peaks of Golden Horn, Pilot Knob and Ulysses S Grant Peak. …

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Little Molas Lake

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Little Molas Lake is a small body of water found off the Colorado trail. At 11,000 feet, the lake is surrounded by beautiful mountains. There is a picnic area along …

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Island Lake

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Island lake is a cerulean-blue alpine lake nestled just north of Ice Lake below Grant Peak. This is one of the best views you will get in the Ice Lakes Basin.

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Columbine Lake

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Columbine Lake sits at 12,800 feet above sea level. If you are camping you should move your tent each night to avoid damaging the tundra and you can fish in …

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Andrews Lake

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Andrews Lake is located just a few hundred feet down the trail from the trailhead parking area. The 13,077-foot Snowdon Peak looms in the background and often is reflected off …

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Haviland Lake

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With miles of intertwining trails, a multitude of campsites, and access to the lake's waters, Haviland Lake is a frequented recreation area in the San Juan National Forest. Of the …

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Trout Lake

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The views down over Trout Lake with its mountain backdrop from here on Highway 145 are simply breathtaking. The lake is set in an incredible rocky amphitheatre of 13,000 foot …

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Lake and campsites

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At this junction, you can decide to follow the Cataract Gulch Trail for some yards to get to Cataract Lake, stay at this smaller lake right in front of you …

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Lemon Reservoir

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Lemon Reservoir is a popular spot for biking, running, walking, and off-road driving in San Juan National Forest. The road is paved the majority of the way (a recent addition), …

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Taylor Lake

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Taylor Lake is just a few yards off the Colorado Trail. You can fill your water bottles easily at the lake outlet right next to the trail. There are also great spots for camping with great mountain view.

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Tips from the Community

Caro "Bandit"
September 11, 2025, Lake and campsites

At this junction, you can decide to follow the Cataract Gulch Trail for some yards to get to Cataract Lake, stay at this smaller lake right in front of you or continue your hike along the Colorado Trail/CDT. The shore at the small lake offers room for 5+ tents, Cataract Lake has plenty of room for more camping. Moreover, there are big trout in Cataract Lake if you are into fishing.

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Alex
August 26, 2025, Lake and campsites

This junction marks Cataract Lake Trail and the smaller lake on the southwest, which offers numerous open, dispersed camping areas and fantastic views. To access the main Cataract Lake, take the side trail off the Colorado Trail/CDT for a short .3 miles north.

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David Howells
January 29, 2024, Trout Lake

The views down over Trout Lake with its mountain backdrop from here on Highway 145 are simply breathtaking. The lake is set in an incredible rocky amphitheatre of 13,000 foot peaks, and the tranquil foreground setting of Trout Lake against this jagged skyline makes this a spectacular vista as you ride by.

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Matthew
December 19, 2023, Lemon Reservoir

Lemon Reservoir is a popular spot for biking, running, walking, and off-road driving in San Juan National Forest. The road is paved the majority of the way (a recent addition), and it turns to dirt after passing the northern end of the lake.

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Little Molas Lake is a high-altitude body of water at about 11,000 feet. It is located nearby parking lots and provides easy access to the Colorado Trail. It is the ideal place to enjoy a packed lunch before or after your ride.

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mtm05005
November 27, 2023, Island Lake

Island lake is a cerulean-blue alpine lake nestled just north of Ice Lake below Grant Peak. This is one of the best views you will get in the Ice Lakes Basin.

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Matthew
November 27, 2023, Andrews Lake

Andrews Lake is located just a few hundred feet down the trail from the trailhead parking area. The 13,077-foot Snowdon Peak looms in the background and often is reflected off the water. There is a nature trail that circles the lake, or you can just cross over the bridge/dam and continue towards the wilderness trails.

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mtm05005
November 27, 2023, Little Molas Lake

Little Molas Lake is a small body of water found off the Colorado trail. At 11,000 feet, the lake is surrounded by beautiful mountains. There is a picnic area along the banks of the lake, so it is a great place for a break to enjoy the peaceful surroundings.

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Frequently Asked Questions

What are some of the most challenging hikes to alpine lakes in the San Juan Mountains?

For a challenging and rewarding experience, consider the hike to the Ice Lake Basin, which includes Island Lake. This 7-mile round-trip hike involves a significant elevation gain and leads to vibrant turquoise waters. Another strenuous option is the trail to the Blue Lakes near Ridgway, which features three stunning lakes set against craggy peaks. The hike to Columbine Lake is also considered a world-class adventure, offering breathtaking scenery at 12,693 feet.

Are there family-friendly lakes or easy hikes suitable for all ages in the San Juan Mountains?

Yes, several lakes offer easier access and family-friendly environments. Little Molas Lake is a great option, located off the Colorado Trail at 11,000 feet with a picnic area. Haviland Lake in the San Juan National Forest is another frequented recreation area with intertwining trails suitable for families, fishing, and kayaking. Andrews Lake is also noted as family-friendly.

What is the best time of year to visit the lakes in the San Juan Mountains?

The prime time to visit most alpine lakes in the San Juan Mountains is typically from late July through August. During this period, wildflowers are abundant, and the weather is generally favorable for hiking. However, in high snow years, winter gear might still be necessary even in summer for higher-altitude lakes like Ice Lake. Fall also offers spectacular foliage, making it a beautiful time for visits, though some higher trails may begin to see early snow.

What kind of natural features can I expect to see around the lakes?

The lakes in the San Juan Mountains are renowned for their diverse natural beauty. You'll encounter vibrant, often turquoise-blue waters, such as those at Ice Lake and the Blue Lakes, caused by glacier dust. Surrounding landscapes include rugged peaks like Golden Horn and US Grant Peak, subalpine meadows, alpine tundra, waterfalls, and dense forests. Lake San Cristobal, for instance, features dramatic conifer groves and is influenced by a constantly moving earthflow.

Are there opportunities for fishing or boating at these lakes?

Yes, many lakes in the San Juan Mountains offer excellent opportunities for fishing and boating. Lake San Cristobal, Colorado's second-largest natural lake, is a popular spot for fishing trout and kokanee salmon, as well as kayaking, canoeing, and pontoon boating. Haviland Lake is also a great destination for fishing and kayaking. Always check local regulations and permit requirements before planning your activity.

What outdoor activities, besides hiking, can I do near the lakes?

Beyond hiking, the San Juan Mountains offer a variety of outdoor activities near its lakes. You can find excellent routes for jogging, such as the Ice Lakes Trail or the Animas River Trail. For cycling enthusiasts, there are options for gravel biking, including routes like the Horse Gulch Trailhead loop. In winter, lakes like Haviland Lake become popular for snowshoeing and cross-country skiing.

Are there any lakes that are less crowded but still offer stunning views?

While popular spots can draw crowds, some lakes offer a more serene experience. The hike to Columbine Lake, for example, is often less crowded than the Ice Lake Trail but still provides world-class scenery. Cataract Lake, though requiring a steep approach, rewards visitors with a calm shoreline perfect for quiet reflection amidst rugged peaks and vibrant wildflowers.

Can I camp overnight near any of the lakes in the San Juan Mountains?

Yes, overnight camping is possible near some lakes, often requiring permits. For instance, the Blue Lakes near Ridgway offer opportunities for overnight camping with the necessary permits. Lake San Cristobal has the Wupperman Campground on its southeastern shore, providing a beautiful setting for camping with mountain views. Always check with the local forest service or park authorities for specific regulations and permit requirements before planning an overnight stay.

What wildlife might I encounter around the lakes?

The diverse ecosystems around the San Juan Mountains' lakes support a variety of wildlife. At Lake San Cristobal, you might spot bald eagles, ospreys, moose, and elk. The trails leading to alpine lakes often pass through areas where you could see marmots, pikas, and various bird species. Always maintain a respectful distance and never feed wildlife.

Are there any lakes that are particularly good for a quick stop or picnic?

Little Molas Lake is an excellent choice for a peaceful break or a packed lunch. Located at approximately 11,000 feet, it features a picnic area along its banks and offers easy access to the Colorado Trail. It's an ideal spot to relax before or after a ride or hike, surrounded by picturesque mountains.

What makes the water in some of these lakes so vibrantly colored?

The incredibly vibrant, often turquoise-blue waters found in lakes like Ice Lake and the Blue Lakes are primarily due to glacial flour. This fine-grained silt, created by glaciers grinding against bedrock, remains suspended in the water. When sunlight hits these particles, it scatters the blue and green wavelengths, resulting in the stunning, almost otherworldly hues.

Are there any lakes that are part of larger trail systems or offer access to long-distance routes?

Yes, several lakes provide access to extensive trail networks. Little Molas Lake offers easy access to the Colorado Trail, a renowned long-distance route. Haviland Lake is part of an expansive trail system within the San Juan National Forest, winding through aspen groves and pine forests. These connections allow for longer adventures and multi-day excursions.

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

Front RangeLarimer CountyBoulder CountyWhite River National ForestJefferson CountyArapahoe CountySummit CountyArapaho And Roosevelt National ForestsBroomfieldDenver CountySan Juan National ForestSan Juan CountyEl Paso CountyLake CountyClear Creek CountySawatch RangeGrand CountyChaffee CountyPike And San Isabel National ForestsPitkin CountyGrand Mesa, Uncompahgre And Gunnison National ForestsMesa CountyRio Grande National ForestEagle CountyGunnison CountyAdams CountyRoutt CountyWeld CountyLa Plata CountyDelta CountyHinsdale CountyPueblo CountyPark CountyBroomfield CountySaguache CountyDouglas CountyFlat TopsGarfield CountyMineral CountyGilpin County

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