The 43rd Parallel South is a circle of latitude located 43 degrees south of the equator. It runs through several countries, including Argentina, Chile, and New Zealand. This parallel is significant for its geographical position, marking a boundary in the Southern Hemisphere. In Chile, the 43rd Parallel South passes through the scenic regions of Patagonia, known for its stunning landscapes and diverse ecosystems. The area is characterized by mountains, forests, and lakes, making it a popular destination for outdoor activities such as hiking and fishing.