National Nature monument (, abbreviated as NPP) is a nature formation of a smaller area, usually geological or geomorphological formation, mineral or fossil collection locality or a habitat of endangered plants or animals in parts of ecosystems with a local environmental, scientific or esthetic importance.
National Nature preserve (, abbreviated as NPP) is a smaller area nature formation, typically geological or geomorphological, mineral or fossil collection site, or habitat of endangered plants or animals in regions with local environmental, scientific, or aesthetic significance.