Chasm Lake – Colorado, USA

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Chasm Lake, located in Rocky Mountain National Park, is one of the park’s most iconic alpine lakes, set dramatically at the base of Longs Peak’s sheer east face, known as The Diamond. Sitting at an elevation of about 11,760 feet (3,584 m), the lake is a stunning reward for hikers who make the trek through rugged alpine terrain.

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Ambience & Setting
The lake is surrounded by towering granite walls and jagged peaks, creating a sense of being enclosed in a natural amphitheater. Its pristine, often turquoise waters mirror the surrounding cliffs, and snow can linger late into the summer, adding to the dramatic alpine setting.

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Highlights of the Visit
• The Hike: An 8.5-mile round trip hike (moderately strenuous) that begins at the Longs Peak Trailhead and climbs steadily through forests, alpine meadows, and rocky terrain.
• The Diamond: The sheer granite wall of Longs Peak rising directly above the lake, a world-famous climbing destination.
• Wildflowers: In summer, alpine meadows bloom with colorful wildflowers, adding vibrancy to the rugged landscape.
• Scenic Views: Along the trail, hikers pass through Goblins Forest, Mills Moraine, and Peacock Pool before reaching the lake.
• Wildlife: Marmots, pikas, and bighorn sheep are commonly seen in the area.

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Practical Info
• Trailhead: Longs Peak Trailhead, about 9 miles south of Estes Park, Colorado.
• Distance: 8.5 miles round trip.
• Elevation Gain: Around 2,600 feet.
• Difficulty: Moderate to strenuous due to elevation and rocky sections.
• Best Time to Visit: July to September, when the trail is generally free of snow.
• Facilities: Parking lot, restrooms, and information signs at the trailhead.

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Why It’s Worth Visiting
Chasm Lake offers one of the most breathtaking backdrops in the Rockies, combining alpine beauty with the grandeur of Longs Peak towering above. For hikers seeking a moderately challenging trek with world-class scenery, this destination is unforgettable.