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Duncan Lake

Boat Ramps
1
Access Points
2
Species
6

Duncan Lake, also known as Lake Duncan, is a city-owned reservoir located in Stephens County, Oklahoma, approximately 12 miles east of Duncan. As one of four lakes managed by the City of Duncan (along with Lake Humphreys, Clear Creek Lake, and Lake Fuqua), Duncan Lake serves as both a water supply and recreational destination. The lake offers year-round fishing opportunities with particular emphasis on several popular game fish species that thrive in its waters.


Species & education

Learn what type of fish are at Duncan Lake and what's needed to catch them.

Fishing spots, boat ramps & amenities

Learn how to get on Duncan Lake. Uncover great fishing access points, boat ramps, and all the facilities you need for an unforgettable day on the water. Some locations shown may border or include private property. Always check property boundaries and applicable regulations before visiting. onWater's Public & Private Land layer can help you plan your access with confidence.

Know where you can legally fish on Duncan Lake

See public and private land boundaries along the water, turn on private parcels with owner details to know where permission is required, and find land-trust parcels that offer permitted fishing access.

Take Duncan Lake with you

The onWater Fish app keeps this water's access points, species and conditions in your pocket, with the tools you use once you're there.

  • Use the map without signal

    Download the map around Duncan Lake to use it offline when coverage drops.

  • Log your catches here

    Keep a private fishing journal for Duncan Lake to find where and when fish are biting for you.

  • HD depth charts from Garmin

    Find drop offs, ledges, channels, points and shallow flats with Garmin depth charts in the app.

Get the onWater Fish app

Free on iOS and Android

Water and weather conditions (10 day forecast)

See the best times to fish Duncan Lake and check the forecast before you go.

No forecast data available.


Smarter Fishing Starts in the App.

onWater Fish gives you everything you need to plan smarter, fish better, and own every trip from first cast to last.