The Train Robbers

The Train Robbers is a 1973 American Western film written and directed by Burt Kennedy and starring John Wayne, Ann-Margret, Rod Taylor, Ben Johnson, and Ricardo Montalbán. Filming took place in Sierra de Órganos National Park in the town of Sombrerete, Mexico. Two brief scenes take place in the square that was used for the final shootout in Butch Cassidy and the Sundance Kid.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.