Hike Flattop Mountain and Hallett Peak

Bear Lake Trailhead, Estes Park, Colorado, United States

  • Activities:

    Photography, Hiking

  • Skill Level:

    Intermediate

  • Season:

    Spring, Summer, Autumn

  • Trail Type:

    Out-and-Back

  • RT Distance:

    10.3 Miles

  • Elevation Gain:

    3240 Feet

Forest
Romantic
Scenic
Wildflowers
Wildlife

Hike up to two very tall Rocky Mountain National Park summits. Along the route, you'll see wildlife and abundant wildflowers as well as views of Keyhole Route and Longs Peak.

Arrive at the Bear Lake Trailhead. Follow abundant signage toward Flattop Peak. Once you arrive at the summit of Flattop identify the unnamed unmaintained trail leading south toward Hallett Peak. Round the head of Tyndall Gorge and ascend the rocky slopes toward the summit by connecting short use trails. Occasional cairns mark the way and the route is very easy to follow.

A rugged loop hike is possible by way of descending from Hallett peak into Chaos Canyon to reach the trail at Lake Hiayaho.

Pack List

  • Normal Day hike gear
  • An Ice Axe if the trail is snowy or if you plan to descend into Chaos Canyon
  • Foot traction device if snow is present
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Reviews

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Great two peaks for a day hike in the park. An alternative loop I've done with this hike includes adding Otis to Flattop and Hallets. From Hallets, Otis is a quick 10-20 min scramble along the ridge, Flattop-Hallets-Otis (FHO) is best done as a loop, descending from Otis and down Andrew's Glacier. The Andrew's Glacier trail puts you out at Glacier Gorge so you can either hike back to Bear Lake or take the shuttle.

11 days ago
11 days ago

This is actually a really fun hike. It will take some effort to get there from Bear Lake but definitely worth it.

about 1 year ago
about 1 year ago

I did this hike last June. Its a really nice hike with beautiful views of all of Rocky Mountain National Park and Longs Peak. It was a bit chilly and windy at the top, but was worth it for some beautiful views.

over 1 year ago
over 1 year ago

It's a pretty strenuous hike, by its really beautiful especially when you get to the Boulder fields

almost 2 years ago
almost 2 years ago

Tobin Akehurst Explorer

I am from the Pacific Northwest, where the mountains meet the sea. When I eschew the trappings of the modern world and venture into the mountains I feel as though I am revived by simplicity, renewed by the power of violent geography.

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