Río San Juan is a river located in Central America, primarily flowing through Nicaragua. It originates from Lake Nicaragua and travels approximately 200 kilometers to the Caribbean Sea. The river serves as an important waterway for transportation and trade, connecting various regions. The Río San Juan is also known for its rich biodiversity, hosting numerous species of flora and fauna. It is surrounded by lush rainforests and wetlands, making it a vital habitat for wildlife. The river has historical significance, having been a strategic route during the California Gold Rush and various conflicts in the region.