The Lady Keystone Open was a golf tournament on the LPGA Tour from 1975 to 1994. In its first year it was a satellite tour event but became a full event in 1976. It was played at three different courses in southcentral Pennsylvania but mainly at the Hershey Country Club in Hershey, Pennsylvania.
| Years | Venue | City |
|---|---|---|
| 1975–1976 | Sportsman's Golf Course | Harrisburg, Pennsylvania |
| 1977 | Armitage Golf Club | Mechanicsburg, Pennsylvania |
| 1978–1994 | Hershey Country Club (West Course) | Hershey, Pennsylvania |
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