The Oscar winner told reporters at the Venice film festival that he has written the cowboy film, but that it was “a different kind of western, which will be very colourful … very theatrical”.
Almodóvar said he is hoping to start his next feature, Madres Paralelas, in October, and then make the western and another film called A Manual for Cleaning Women.
Almodóvar also claimed that he has started moving in a new, more austere, direction since his 2016 film Julieta.
Almodóvar premiered his latest film, The Human Voice, in Venice on Thursday, with British actress Tilda Swinton in the lead as a desperate and vengeful woman waiting for her estranged lover to ring her.