Thunder Mesa is a fictional location in the Disney theme park universe, primarily associated with the Disneyland attraction known as Big Thunder Mountain Railroad. It is depicted as a mining town set in the American Southwest, characterized by its rugged landscapes, canyons, and rock formations. The area is themed around the gold rush era, featuring a rich backstory of mining and adventure. The design of Thunder Mesa incorporates elements of Western folklore and architecture, creating an immersive experience for visitors. The attraction is known for its thrilling roller coaster ride that takes guests through the scenic and treacherous terrain of the mountain, showcasing the beauty and excitement of the Wild West.