Ojos del Salado

The name of the volcano probably refers to the Salado River, which was used by a Polish expedition in 1937 to reach Ojos del Salado.

An excerpt from the article 15 facts about Ojos del Salado

There is also a theory that the volcano was named after the mineral deposits on its slopes, especially since the Salado River does not originate at Ojos del Salado and its name was already known.