Dive in at Duncan Lake! As the city's primary lake, Duncan Lake features 4 miles of shoreline and 550 surface acres of water full of Channel Catfish, Crappie, Largemouth Bass and Sunfish.The lake offers a variety of outdoor activities for lake-lovers from swimming and fishing to hunting, hiking, sailing, skiing and more. The lake area also provides ample camping grounds for tent sites and RV parking with amenities such as 44 plug-ins, dump stations, showers, a picnic area and pavilion. Duncan Lake is also located near a variety of local attractions such as the Big Oaks Stables, where visitors can go to rent horses by the hour or by the day. Head over to Duncan Lake for lots of fun exploring the beautiful outdoors of south-central Oklahoma!