| Year | Decision | Comments |
| 2009 | Requested by State Party to not be examined at WHC session | |
| 2006 | Tentative list | Submitted as tentative site by State Party |
| 2000 | Requested by State Party to not be examined at WHC session | As "Lena River Delta" |
Have you been to Nature Park "Lena Pillars"? Share your experiences!