Gruta de São Miguel in Bonito, Mato Grosso do Sul, Brazil, is a limestone cave attraction set within a natural area known for its underground formations and forest surroundings. Visitors can explore the cave on guided tours, walk across a suspension bridge through the treetops, and observe stalactites, stalagmites and other geological features while learning about the site’s formation and wildlife. The cave is noted for its extensive speleothems shaped over millions of years and offers a structured and accessible experience designed to highlight both its ecological significance and geological history.