Summit Lake Park photo
ParkColorado, US

Summit Lake Park

Summit Lake Park offers a breathtaking alpine escape at an astonishing altitude.

About

Summit Lake Park offers a breathtaking alpine escape at an astonishing altitude. This unique park, part of the Denver Mountain Parks system, is recognized as the highest city park in the United States and the first National Natural Landmark in Colorado. Nestled at 12,830 feet above sea level within a glacial cirque below Mount Blue Sky (formerly Mount Evans), it provides unparalleled access to a fragile and captivating alpine tundra environment. The area is a living testament to glacial forces, featuring a tarn (Summit Lake itself), extensive permafrost, and a rugged, dramatic landscape shaped by ancient ice.

The park is renowned for its exceptional alpine botanical features, boasting a variety of rare plants, some of which are found nowhere else outside the Arctic Circle. During its brief summer season, the tundra explodes with vibrant wildflowers, offering a stunning display against the stark mountain backdrop. Beyond its botanical treasures, Summit Lake Park is a prime location for wildlife viewing, offering opportunities to observe iconic high-altitude species in their natural habitat.

Visiting Summit Lake Park is an immersive experience into a rare and delicate ecosystem, providing spectacular panoramic views of the Continental Divide and the surrounding wilderness. It's a place where the grandeur of the Rocky Mountains is on full display, offering both serenity and adventure for those seeking to connect with nature's raw beauty and unique high-altitude life. The combination of its geological significance, rare flora, and abundant wildlife makes it an unforgettable destination. Don't forget to bring the Snappit nature identification app along to scan local species.

The land comprising Summit Lake Park was acquired by the city of Denver in 1924, becoming a vital part of the Denver Mountain Parks system designed to preserve natural areas for public enjoyment. In 1965, the park achieved significant recognition when it was designated as a National Natural Landmark, making it the first such landmark in Colorado. This designation underscored its national importance due to its outstanding natural features, particularly its pristine alpine tundra ecosystem. During the 1930s, the Civilian Conservation Corps (CCC) contributed to the park's infrastructure, constructing a rustic stone shelter house near the lake. This shelter, designed by Denver architect J.J.B. Benedict, stands as a historical element within the park. The development of the Mount Blue Sky Road (formerly Mount Evans Road) also played a crucial role in making the park accessible, with the road to the summit completed in 1930.

What to do here

Hiking: Enjoy easy walks around Summit Lake or embark on more strenuous trails like the Chicago Lakes Trail or the Mount Blue Sky Ridge Trail.

* **Photography: ** Capture the dramatic alpine landscapes, unique flora, and wildlife.

* **Wildlife Watching: ** Observe high-altitude animals, especially mountain goats and bighorn sheep, often seen near the road and trails.

* **Scenic Views: ** Marvel at panoramic vistas of the Continental Divide and distant peaks.

* **Interpretive Areas: ** Learn about the fragile alpine ecosystem and its inhabitants.

Seasonal info

Weather: Conditions can change rapidly, with intense sunlight, cold temperatures, strong winds, and sudden snow, hail, or rain possible even in summer.

Road Closures: The Mount Blue Sky Road (CO 5) is typically open from Memorial Day to early October, but can close any day due to winter-like conditions.

Wildflower Bloom: Peaks in July and August.

Animal Activity: Wildlife is often active during the summer months.

Accessibility

The park is accessible via the paved Mount Blue Sky Road. There is a parking area and restrooms. While some trails are short and relatively flat around the lake, visitors should be aware of the high altitude and potentially uneven terrain. Visitors are asked to stay on designated trails to protect the fragile tundra.

Don't miss

1

Summit Lake

The glacial tarn itself, the headwaters of Bear Creek, offers stunning reflections and a serene focal point.

2

Alpine Tundra Environment

Experience one of the best examples of Arctic tundra in the contiguous United States, complete with rare and unique alpine flora.

3

Chicago Lakes Overlook

A short, accessible trail leads to an impressive viewpoint overlooking the Chicago Lakes Basin.

4

Wildlife Viewing

Excellent opportunities to see mountain goats, bighorn sheep, marmots, and pikas.

Wildlife you might spot

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Good to know before you go

Check Road Conditions and Make Reservations: Always confirm the opening status of the Mount Blue Sky Road (CO 5) and reserve your timed entry ticket via recreation.gov well in advance, as these are often mandatory and sell out.

Dress in Layers

High-altitude weather is unpredictable. Be prepared for sun, wind, cold, rain, or even snow, regardless of the forecast at lower elevations.

Acclimatize to Altitude

Summit Lake is at nearly 13,000 feet. Take it easy, stay hydrated, and be aware of symptoms of altitude sickness.

Stay on Trails

The alpine tundra is extremely fragile. Walking off-trail can cause irreversible damage to rare plants and delicate ecosystems.

Maintain Distance from Wildlife

While wildlife is common, observe animals from a respectful distance. Do not feed them or approach them, as they are wild and can be dangerous.

Bring Water, Snacks, and Sun Protection

Services are limited, and the high altitude and intense sun require extra hydration and protection.

Frequently asked questions

Summit Lake Park is generally accessible from late spring to early autumn, typically from Memorial Day weekend until early October. Access depends on the opening of the Mount Blue Sky Road (formerly Mount Evans Road), which can close unexpectedly due to weather conditions like snow.
Summit Lake Park is one of the best places in Colorado to spot high-altitude wildlife. Common sightings include mountain goats, bighorn sheep, marmots, and pikas. Birdwatchers may also have the chance to see species like the Brown-capped Rosy-finch and White-tailed Ptarmigan.
Yes, there are fees to access the Mount Blue Sky Scenic Byway, which includes Summit Lake Park. Timed entry reservations are often required to park at Summit Lake and for the entire Mount Blue Sky Recreation Area. These reservations must be purchased in advance through recreation.gov. Visitors are also urged to stay on designated trails to protect the fragile alpine tundra and its rare plants.

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