Is Cape Horn is the southern most tip of South America

The answer is yes, positive.

Explanation:

Cape Horn is the southernmost tip of South America. All the more particularly it is situated on the southernmost part Hornos Island in Tierra del Fuego archipelago in Chile. This is the place the Pacific Ocean and the Atlantic Ocean waters meet. It is a place encompassed with wild chilly waters for the most part impacted from the cool waters originating from Antarctica. Likewise, specifically south of it is the notable Drake section.

The answer is - yes.

Cape Horn is the southernmost tip of South America. More specifically it is located on the southernmost part Hornos Island in Tierra del Fuego archipelago in Chile. This is where the Pacific Ocean and the Atlantic Ocean waters meet. It is a place surrounded with wild cold waters mainly influenced from the cold waters coming from Antarctica. Also, directly south of it it is the well known Drake passage.