List of National Natural Landmarks in Iowa
# List of National Natural Landmarks in Iowa

From List of National Natural Landmarks, these are the National Natural Landmarks in Iowa. There are 8 in total.

| | Name | Date | Location | County | Ownership | Description |
| - | - | - | - | - | - | - |
| 1 | Anderson Goose Lake | 1975 | 42°18′56″N 93°37′26″W﻿ / ﻿42.315556°N 93.623889°W﻿ / 42.315556; -93.623889﻿ (Anderson Goose Lake) | Iowa | Private | One of the few essentially natural glacial pothole lakes remaining in Iowa. |
| 2 | Cayler Prairie | 1965 | 43°23′50″N 95°14′38″W﻿ / ﻿43.397222°N 95.243889°W﻿ / 43.397222; -95.243889﻿ (Cayler Prairie State Preserve) | Dickinson | State | An example of the increasingly rare virgin prairie grassland. |
| 3 | Cold Water Cave | 1987 | 43°26′28″N 91°57′37″W﻿ / ﻿43.44111°N 91.96028°W﻿ / 43.44111; -91.96028﻿ (Cold Water Spring State Preserve) | Winneshiek | Private | An exceptional example of an extensive cave system well decorated with speleothems. |
| 4 | Dewey's Pasture and Smith's Slough | 1975 | | Clay, Palo Alto | State | Pothole lakes created during the last glacial epoch. |
| 5 | Hayden Prairie State Preserve | 1965 | 43°26′22″N 92°22′59″W﻿ / ﻿43.4395°N 92.3831°W﻿ / 43.4395; -92.3831﻿ (Hayden Prairie State Preserve) | Howard | State | A true prairie remnant. |
| 6 | Loess Hills | 1986 | 41°48′05″N 95°59′42″W﻿ / ﻿41.8013°N 95.995°W﻿ / 41.8013; -95.995﻿ (Loess Hills) | Harrison, Monona | State, private | The best examples of loess topography in the Missouri River Bluffs region. |
| 7 | White Pine Hollow State Forest | 1967 | 42°37′47″N 91°06′43″W﻿ / ﻿42.62971°N 91.11207°W﻿ / 42.62971; -91.11207﻿ (White Pine Hollow State Forest) | Dubuque | State | The only known remaining white pine tract in Iowa. |
