Treasure of Ruby Hills is a 1955 American black-and-white Western film directed by Frank McDonald and starring Zachary Scott, Carole Mathews, Barton MacLane, Dick Foran, and Lola Albright. The film is based on the story "The Rider of the Ruby Hills" by Louis L'Amour. He wrote the story under the pen-name Jim Mayo; the story was later expanded as the novel Where the Long Grass Blows in 1976.