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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Horseshoe Black Hawk - A Caesars Rewards Destination

$243

per person

Jan 23 - Jan 26

found 1 day ago

Roundtrip flight included

Houston (IAH) to Denver (DEN)

16/10 Exceptional! (1,045 reviews)

The room was clean and the staff was very friendly. Answered all the questions we had.

Reviewed on Nov 17, 2025

Lady Luck Casino Black Hawk

Save 100% on your flight

$434

per person

Dec 26 - Dec 30

found 1 day ago

Roundtrip flight included

Dallas (DFW) to Denver (DEN)

15.2/10 Exceptional! (1,813 reviews)

Everything was great

Reviewed on Nov 17, 2025

Hyatt Vacation Club at The Ranahan

Northside Breck

$775

per person

Feb 2 - Feb 8

found 11 hours ago

Roundtrip flight included

Dallas (DAL) to Denver (DEN)

19.2/10 Exceptional! (1,598 reviews)

Customer service was great and everything else from the hotel was amazing from the room, the view to the heated pool and jacuzzi

Reviewed on Nov 18, 2025

Browse tours and tickets to explore Key Hole Notch

Tours & day trips

See all 39 activities

Discover Rocky Mountain National Park

Free cancellation available

Classes & workshops

See all 25 activities

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

Free cancellation available

Private & custom tours

See all 21 activities

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.