Lake Eucha is located in northeastern Oklahoma in Delaware County about 5 miles southwest of Jay. The 2,860-acre lake has 49 miles of shoreline and is the focal point of Lake Eucha State Park.

The nine developed areas offer such amenities as electric/water hookups, primitive campsites, restrooms/showers, sanitary dump stations, nature trail, outdoor grills, picnic areas, boat ramps and motor repair. Rattlesnake Cove is restricted to boat houses only.