Sculpted by the elements, check off the mesmerizing sight of Key Hole Notch. You'll be left wondering just exactly how this geological marvel was formed.

This Estes Park geological formation is a good place to start your day of sightseeing. There's plenty to see nearby, including Bear Lake Trailhead, Emerald Lake, and Sprague Lake. Take your time at Key Hole Notch before making tracks to these other fine attractions.

Plan a trip to see Key Hole Notch

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Hotel Polaris

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$299

per person

Nov 13 - Nov 17

found 1 day ago

Roundtrip flight included

Atlanta (ATL) to Denver (DEN)

9.8/10 Exceptional! (418 reviews)

Absolutely flawless stay.

Reviewed on Oct 4, 2025

Hyatt Vacation Club at The Ranahan

Northside Breck

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$477

per person

Dec 12 - Dec 15

found 1 day ago

Roundtrip flight included

Atlanta (ATL) to Denver (DEN)

9.6/10 Exceptional! (1,506 reviews)

Friendly staff. Dinner and happy hour at the bar was tasty! Overall a very pleasant visit! Thanks!!

Reviewed on Oct 2, 2025

1107 American Way

Peak 7

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$1,615

per person

Nov 26 - Dec 1

found 1 day ago

Roundtrip flight included

Atlanta (ATL) to Denver (DEN)

No reviews

Browse tours and tickets to explore Key Hole Notch

Tours & day trips

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Discover Rocky Mountain National Park

Free cancellation available

Classes & workshops

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Create Your Own Hydro Dipped Tumbler, Mug or Flask in Estes Park

Free cancellation available

Private & custom tours

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Rocky Mountain NP & Garden of Gods Self-Guided Driving Audio Tour

Free cancellation available

Popular places to visit

Estes Park showing hiking or walking and forests as well as a small group of people

Alberta Falls

Explore the great outdoors at Alberta Falls and enjoy the mountain views during your trip to Estes Park. Wander the lakeside and scenic parks in the area.

Sprague Lake

Follow a short but scenic trail around this stunning lake and admire views of the pointed peaks of Rocky Mountain National Park.

The Loch

With a name suggesting it is worthy of a place in the stunning Scottish Highlands, this lake in the Rocky Mountains doesn’t disappoint.

Timberline Falls

A welcome treat after a long climb, this roaring set of falls is among the most iconic natural attractions in the Rockies.

North Central Colorado featuring a lake or waterhole

Lake of Glass

A spectacular lake with a shiny reflective surface lies in the midst of nature trails, snowy mountain peaks and the nearby Sky Pond.

Lily Lake

Explore the great outdoors at Lily Lake and enjoy the mountain views during your trip to Estes Park. Wander the lakeside and scenic parks in this romantic area.