How deep is Niagara Cave below the surface?

The depth of Niagara Cave is 100 feet below the surface, making this the correct answer. This depth allows visitors to experience the unique geological formations and underground features that are characteristic of the cave. At this level, the cave exhibits striking stalactites, stalagmites, and other mineral deposits formed over thousands of years. Understanding the depth is essential for visitors, as it provides context for the cave's formation, the level of groundwater interaction, and the overall experience of exploring this natural wonder.