| Release Date | 17 December 1966 |
| US Box Office | $6,000,000 |
| Tagline | It's The Big One With The Big Two! |
| Genre | Western, Action, Adventure |
| Country | USA |
| Filming Locations | Kanab, Utah, USA |
| Language | English, Spanish |
| Sound Mix | Mono |
| Color | Color |
El Dorado (1966) western movie starring John Wayne and Robert Mitchum, directed by Howard Hawks, and released by Paramount Pictures. The screenplay was written by Leigh Brackett and based on the novel The Stars in Their Courses by Harry Brown. Nelson Riddle wrote the musical score. The film was shot in Technicolor and ran 126 minutes. The original paintings in the credits are by Olaf Wieghorst.