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Colorado Chalk Creek

Characteristics updated 8 months ago

Chalk Creek flows off the Continental Divide and cuts through the Chalk Cliffs west of Buena Vista before joining the Arkansas River near Nathrop. This 27-mile freestone stream offers clear, cold water and easy access along County Road 162. Most anglers target the public stretches near Mount Princeton Hot Springs and St. Elmo.

The creek supports wild brown trout, brook trout, and cutthroat in its upper reaches. Hatches are strongest from May through September, with solid stonefly and caddis activity. The water is best fished on the move, targeting riffles, plunge pools, and shady banks. Dry-dropper rigs and small attractor patterns are reliable here.

Flows can vary depending on snowmelt and summer monsoons. Optimal fishing conditions are typically between 30–100 CFS. Check the latest river levels on TroutLeader before heading out. This stream fishes well on foot and is perfect for a quick session or a full-day exploration.

Nearby spots like Chalk Lake and the ghost town of St. Elmo add to the experience. Whether you’re road-tripping through the Arkansas Valley or chasing native cutts in the upper creek, Chalk Creek delivers solid fishing without the crowds.

Characteristics & Metrics

Headwater
Natural Flow / Un-dammed / Freestone
High Mountains
Clarity
GPS
38.717417,–106.199444
Caught
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Current Flow

The main data source is unavailable.

Additional Resources

River and steam flow data are acquired from multiped sources. This feature is only available in select states (Colorado only). Flows are updated multiple times a day. Data might be unavailable due to ice or other objects obstructing the gage.

CHALK CREEK AT NATHROP
Update about 8 hours ago

Flow: 13 cfs

Data Source: DWR

Images

TroutLeader Image

Jun 25, 2025

Notations

Craig Hoffman

8 months ago

Private property exists along Chalk Creek. Check your map for boundaries.