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State Park
State Park

John Martin Reservoir State Park

Colorado · CO

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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 park using the links above before you go — you are responsible for compliance. Last verified by us: Aug 16, 2026. Spot an error in our data?

About

John Martin Reservoir State Park is a state park in Colorado. It contains John Martin Reservoir, which is the second largest body of water in Colorado by capacity. It is also known for being a prime birdwatching location. Bent County, Colorado has been documented to have over 400 different species of birds. The namesake reservoir of the park is created by a 118-foot tall (36 m) and 2.6-mile long dam (4.2 km), which goes by the name of John Martin Dam.

Source: Wikipedia — text licensed CC BY-SA 4.0. Verify alerts and operational details with the managing agency below.

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Hunting in this park

This park overlaps hunting units

During hunting seasons, wear blaze orange and check regulations — see the Colorado hunting page

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