List of all current National Natural Landmarks (NNLs)
National Natural Landmarks (NNL) Program. 2026. List of all current National Natural Landmarks (NNLs). National Park Service. Lakewood, Colorado
A PDF list showing all current National Natural Landmarks (NNLs) sorted by state and designation date. The list also includes the category(ies) of land ownership.
- Type
- Generic Document
- Authors
- National Natural Landmarks (NNL) Program
- Date of Issue
- 2026-06
- Publisher
- National Park Service
- Units
- NNL
- Keywords
- National Natural Landmarks, NNL
- Subjects
- NPS.gov Subject Site: National Natural Landmarks