The Thirty-Fourth Parallel is an imaginary line of latitude located at 34 degrees north of the equator. It runs across several countries, including the United States, where it passes through states like California, Arizona, and New Mexico. This parallel is significant in geography and climate studies, as it helps to define various ecological regions. In the context of the United States, the Thirty-Fourth Parallel is notable for its historical and cultural significance. It has been referenced in various contexts, including the American Civil War and the Mormon migration, as it marks a boundary for certain events and settlements.