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First and Second Flatiron Loop route map
Difficulty: DifficultLoop
Colorado

First and Second Flatiron Loop

Boulder, Colorado

2.5 mi

Distance

1,555 ft

Elev. Gain

1h 33m

Est. Time

Loop

Route Type

Difficult

Difficulty

About This Trail

We don't publish a description for First and Second Flatiron Loop unless we can point you at the agency it came from. We don't have one yet. The planning figures above — distance, elevation gain, estimated time, route type — come from the source listed on this trail.

The managing agency is the authority for conditions, closures and route notes. See official sources below. Spot something we should add?

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

No recent condition reports. Be the first to share what you see on the trail.

Elevation Profile

Min:1,738 ft
Max:2,181 ft
Gain:474 ft
Loss:474 ft
Elevation profileA line rising and falling between 1,738 ft and 2,181 ft across 2.5 mi along the route, drawn from start to end.1,738 ft1,886 ft2,033 ft2,181 ft0.0 mi0.6 mi1.3 mi1.9 mi2.5 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,738 ft
High point1.2 mi2,181 ft
End2.5 mi1,738 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Source of truth

Where it is

Nearest town:
Boulder, CO · in or next to town
County:
Boulder County, CO

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: Oct 11, 2026. Spot an error in our data?

Highlights

Chautauqua ParkBluebell RoadFirst FlatironSecond Flatiron

Reviews

No reviews yet

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Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

Nearby Trails

More trails near First and Second Flatiron Loop
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Chautauqua, Bluebell Baird and Meadow Trail Loop

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Boulder Mesa Trail

Boulder Mesa Trail

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Green Mountain Loop

Green Mountain Loop

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Chautauqua Trail

Chautauqua Trail

1.2 mi
TrailDifficulty: Moderate
Chautauqua and Bluebell Trail Loop

Chautauqua and Bluebell Trail Loop

1.6 mi
TrailDifficulty: Easy

Stay nearby

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Trail
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