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United States
Colorado
Larimer County

Longs Peak Trail

Highlight (Segment) • Trail

Longs Peak Trail

Hiking

5.0

(8)

Longs Peak, Colorado, is the formidable 14,259-foot (4,346-meter) crown jewel of Rocky Mountain National Park and the northernmost "fourteener" in the Rocky Mountains. It stands as a spectacular 2025 objective for mountaineers and ambitious hikers, representing one of North America's most iconic and challenging non-technical climbs.Successfully undertaking this Colorado giant requires a holistic approach to preparation.

The primary trail for ascending the mountain is the Longs Peak Trail, which leads to the summit via the Keyhole Route. The trail begins at the Longs Peak Ranger Station and is maintained by the National Park Service and is a 15-mile round-trip journey with nearly 5,000 feet of elevation gain. While it is classified as non-technical, it involves significant Class 3 scrambling, which means you will be using both your hands and feet to navigate steep, rocky sections with high exposure The initial portion of the trail is a steady, forested climb. After breaking through the treeline around 11,000 feet, the terrain becomes rocky alpine tundra. The trail is clearly marked with cairns as it crosses the vast Boulder Field to the Keyhole. Past the Keyhole, the route is no longer a maintained trail but a marked mountaineering route, indicated by red and yellow bullseyes painted on the rock to guide climbers through the Ledges, Trough, Narrows, and Homestretch sections to the summit.

Essential hiking gear is a critical component of this planning, extending beyond basic supplies to include helmets for rockfall protection on the final stretches and traction for potential ice and snow. Hiking Longs Peak in Colorado is considered a serious undertaking and is not suitable for novice hikers. Hikers must be well-acclimatized to the high altitude to mitigate the risks of Acute Mountain Sickness (AMS). The hike typically takes 10-15 hours to complete, necessitating an "alpine start" well before sunrise (often between 2 and 3 AM) to ensure you are off the summit and below the exposed Keyhole before the common afternoon thunderstorms roll in. The experience is incredibly rewarding, offering breathtaking views and a profound sense of accomplishment, but its difficulty and inherent risks should never be underestimated.

This Highlight goes through a protected area

Please check local regulations for:

Rocky Mountain Wilderness

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  • Location: Larimer County, Colorado, United States

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    Tips

    August 21, 2024

    Hiking

    Longs Peak Trail is a great hike for anyone for the first 6 miles. There is beautiful, diverse terrain, and it can be exposed with sweeping views. Be aware that after about 6 miles, the trail becomes a scramble and more technical before reaching the summit of Longs Peak.

    May 3, 2022

    Hiking

    This Path that leads to Lake Chasm is remarkable and very diverse, offering landscapes and changing terrain in a short time.
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    5.0

    (2)

    155

    hikers

    Hike the difficult 13.4-mile Longs Peak Trail via Keyhole Route, gaining 4586 feet to Colorado's iconic 14,259-foot summit.

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    Details

    Informations

    Distance 4.05 km

    Uphill 20 m

    Downhill 550 m

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    Location: Larimer County, Colorado, United States

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