Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Oxbow Rapids Upper Wolf River State Natural Area | Park | 45 | Langlade | 45 13 13 N | 088 48 15 W |
| Pea Creek Sedge Meadow State Natural Area | Park | 45 | Eau Claire | 44 40 45 N | 090 58 35 W |
| Plum Creek Woods State Natural Area | Park | 45 | Pierce | 44 39 38 N | 092 10 12 W |
| Powers Bluff Maple Woods State Natural Area | Park | 45 | Wood | 44 31 48 N | 090 04 03 W |
| Putnam Park State Natural Area | Park | 45 | Eau Claire | 44 47 41 N | 091 29 28 W |
| Rush River Delta State Natural Area | Park | 45 | Pierce | 44 33 56 N | 092 19 46 W |
| Seagull Bar State Natural Area | Park | 45 | Marinette | 45 04 33 N | 087 35 11 W |
| South Fork Barrens State Natural Area | Park | 45 | Eau Claire | 44 43 54 N | 090 57 24 W |
| Tellock's Hill Woods State Natural Area | Park | 45 | Waupaca | 44 33 20 N | 088 51 42 W |
| Tiffany Bottoms State Natural Area | Park | 45 | Buffalo | 44 31 20 N | 092 02 05 W |
| Trenton Bluff Prairie State Natural Area | Park | 45 | Pierce | 44 36 38 N | 092 32 25 W |
| Twin Lakes Bog State Natural Area | Park | 45 | Taylor | 45 16 42 N | 090 26 12 W |
| Baraboo River Floodplain Forest State Natural Area | Park | 44 | Columbia | 43 30 14 N | 089 29 10 W |
| Bass Hollow State Natural Area | Park | 44 | Juneau | 43 40 59 N | 090 01 29 W |
| Bass Lake Fen State Natural Area | Park | 44 | Waushara | 44 00 20 N | 089 16 54 W |
| Bauer-Brockway Barrens State Natural Area | Park | 44 | Jackson | 44 17 48 N | 090 44 53 W |
| Berlin Fen State Natural Area | Park | 44 | Green Lake | 43 57 45 N | 088 54 18 W |
| Blackhawk Island State Natural Area | Park | 44 | Juneau | 43 39 03 N | 089 47 34 W |
| Bonneville Lake | Lake | 44 | Waushara | 44 10 34 N | 089 11 33 W |
| Brady's Bluff Prairie State Natural Area | Park | 44 | Trempealeau | 44 01 12 N | 091 29 07 W |
| Brooks Bluff State Natural Area | Park | 44 | Adams | 43 49 40 N | 089 42 53 W |
| Buckhorn Barrens State Natural Area | Park | 44 | Juneau | 43 55 40 N | 089 59 57 W |
| Buena Vista Prairie Chicken Meadow State Natural Area | Park | 44 | Portage | 44 21 13 N | 089 37 56 W |
| Buena Vista Quarry Prairie State Natural Area | Park | 44 | Portage | 44 19 13 N | 089 37 46 W |
| Butler Lake and Flynn's Spring State Natural Area | Park | 44 | Sheboygan | 43 39 43 N | 088 07 58 W |
| Castle Mound Pine Forest State Natural Area | Park | 44 | Jackson | 44 16 48 N | 090 49 20 W |
| Cedar Grove Hawk Research Station State Natural Area | Park | 44 | Sheboygan | 43 34 12 N | 087 47 26 W |
| Cherney Maribel Caves State Natural Area | Park | 44 | Manitowoc | 44 17 15 N | 087 46 21 W |
| Christa McAuliffe Park | Park | 44 | Brown | 44 29 46 N | 087 55 39 W |
| Comstock Bog-Meadow State Natural Area | Park | 44 | Marquette | 43 52 50 N | 089 17 34 W |
| Coon Creek Cliffs State Natural Area | Park | 44 | Vernon | 43 42 54 N | 090 59 13 W |
| Corner, Middle Marshes Reservoir | Reservoir | 44 | Wood | 44 18 54 N | 090 07 42 W |
| Cranberry Creek Mound Group State Natural Area | Park | 44 | Juneau | 44 09 44 N | 090 03 50 W |
| Crooked Lake Wetlands State Natural Area | Park | 44 | Sheboygan | 43 37 38 N | 088 09 44 W |
| Emmons Creek Barrens State Natural Area | Park | 44 | Portage | 44 18 26 N | 089 13 52 W |
| Eureka Maple Woods State Natural Area | Park | 44 | Monroe | 43 44 19 N | 090 52 14 W |
| Five-Mile Bluff Prairie State Natural Area | Park | 44 | Pepin | 44 28 10 N | 092 04 14 W |
| Fort McCoy Barrens State Natural Area | Park | 44 | Monroe | 43 59 08 N | 090 41 27 W |
| Fountain Creek Wet Prairie State Natural Area | Park | 44 | Green Lake | 43 41 52 N | 089 12 17 W |
| Franklin School (historical) | School | 44 | Sheboygan | 43 50 53 N | 087 53 25 W |
| Fuller Cemetery | Cemetery | 44 | Columbia | 43 36 22 N | 089 21 53 W |
| Germania Wet Prairie State Natural Area | Park | 44 | Marquette | 43 53 57 N | 089 17 28 W |
| Great River Trail Prairies State Natural Area | Park | 44 | Trempealeau | 44 01 31 N | 091 27 24 W |
| Gullickson's Glen State Natural Area | Park | 44 | Jackson | 44 14 29 N | 090 59 59 W |
| Haskell Noyes Memorial Woods State Natural Area | Park | 44 | Fond du Lac | 43 36 44 N | 088 10 22 W |
| Haven School (historical) | School | 44 | Sheboygan | 43 50 54 N | 087 45 55 W |
| Hillcrest School (historical) | School | 44 | Sheboygan | 43 38 43 N | 087 48 33 W |
| Ice Age National Scientific Reserve | Other | 44 | Fond du Lac | 43 37 51 N | 088 21 03 W |
| Immanuel Lutheran School | School | 44 | Sheboygan | 43 44 41 N | 087 43 36 W |
| Jay Creek Pine Forest State Natural Area | Park | 44 | Jackson | 44 10 50 N | 090 30 05 W |
| Johnson Hill Kame State Natural Area | Park | 44 | Sheboygan | 43 41 53 N | 088 07 15 W |
| Karner Blue Meadow State Natural Area | Park | 44 | Waushara | 44 10 33 N | 089 11 29 W |
| Ketchum Creek Pines State Natural Area | Park | 44 | Jackson | 44 13 05 N | 090 34 24 W |
| Kettle Hole Woods State Natural Area | Park | 44 | Sheboygan | 43 35 40 N | 088 09 19 W |
| Kettle Moraine Red Oaks State Natural Area | Park | 44 | Sheboygan | 43 45 59 N | 088 04 22 W |
| Kewaskum Maple-Oak Woods State Natural Area | Park | 44 | Washington | 43 30 27 N | 088 12 32 W |
| Kewaunee Nuclear Powerplant | Locale | 44 | Kewaunee | 44 20 32 N | 087 32 10 W |
| Kickapoo Valley Reserve State Natural Area | Park | 44 | Vernon | 43 39 49 N | 090 35 30 W |
| Kohler Park Dunes State Natural Area | Park | 44 | Sheboygan | 43 39 56 N | 087 43 09 W |
| Koro Prairie State Natural Area | Park | 44 | Winnebago | 43 56 30 N | 088 51 43 W |
| La Crosse River Trail Prairies State Natural Area | Park | 44 | La Crosse | 43 54 05 N | 090 55 37 W |
| Lake 34 13 and Lake 34 15 45 | Reservoir | 44 | Wood | 44 20 48 N | 090 14 48 W |
| Lawrence Creek State Natural Area | Park | 44 | Marquette | 43 53 43 N | 089 35 29 W |
| Lemonweir Bottomland Hardwood Forest State Natural Area | Park | 44 | Juneau | 43 46 29 N | 089 51 56 W |
| Lunch Creek Wetlands State Natural Area | Park | 44 | Waushara | 44 01 37 N | 089 19 27 W |
| Mecan Springs State Natural Area | Park | 44 | Waushara | 44 03 24 N | 089 28 43 W |
| Midway Railroad Prairie State Natural Area | Park | 44 | La Crosse | 43 55 22 N | 091 15 08 W |
| Mill Bluff State Natural Area | Park | 44 | Monroe | 43 57 13 N | 090 18 50 W |
| Milwaukee River and Swamp State Natural Area | Park | 44 | Fond du Lac | 43 35 53 N | 088 11 16 W |
| Milwaukee River Floodplain Forest State Natural Area | Park | 44 | Washington | 43 30 06 N | 088 11 52 W |
| Milwaukee River Tamarack Lowlands and Dundee Kame State Natural Area | Park | 44 | Fond du Lac | 43 38 16 N | 088 10 33 W |
| Mount Pisgah Hemlock-Hardwoods State Natural Area | Park | 44 | Vernon | 43 41 22 N | 090 34 46 W |
| Mud Lake-Radley Creek Savanna State Natural Area | Park | 44 | Waupaca | 44 16 50 N | 089 10 10 W |
| Muir Park State Natural Area | Park | 44 | Marquette | 43 41 21 N | 089 23 28 W |
| Mukwa Bottomland Forest State Natural Area | Park | 44 | Waupaca | 44 23 10 N | 088 47 58 W |
| Myklebust Lake State Natural Area | Park | 44 | Waupaca | 44 29 32 N | 089 07 55 W |
| Necedah Oak-Pine Forest State Natural Area | Park | 44 | Juneau | 44 04 23 N | 090 06 54 W |
| Necedah Oak-Pine Savanna State Natural Area | Park | 44 | Juneau | 44 08 01 N | 090 11 54 W |
| Nelson-Trevino Bottoms State Natural Area | Park | 44 | Buffalo | 44 24 42 N | 092 02 57 W |
| Oakfield Ledge State Natural Area | Park | 44 | Fond du Lac | 43 40 25 N | 088 33 13 W |
| Oakfield Railroad Prairie State Natural Area | Park | 44 | Fond du Lac | 43 43 03 N | 088 30 21 W |
| Observatory Hill State Natural Area | Park | 44 | Marquette | 43 42 22 N | 089 20 32 W |
| Oshkosh-Larsen Trail Prairies State Natural Area | Park | 44 | Winnebago | 44 08 20 N | 088 37 28 W |
| Page Creek Marsh State Natural Area | Park | 44 | Marquette | 43 45 40 N | 089 25 10 W |
| Pickerel Lake State Natural Area | Park | 44 | Portage | 44 18 55 N | 089 19 24 W |
| Plainfield Tunnel Channel Lakes State Natural Area | Park | 44 | Waushara | 44 12 30 N | 089 27 54 W |
| Point Beach Nuclear Powerplant | Locale | 44 | Manitowoc | 44 16 52 N | 087 32 11 W |
| Point Beach Ridges State Natural Area | Park | 44 | Manitowoc | 44 09 53 N | 087 32 22 W |
| Pope Lake State Natural Area | Park | 44 | Waupaca | 44 19 42 N | 089 11 40 W |
| Poppy's Rock State Natural Area | Park | 44 | Waupaca | 44 21 16 N | 088 45 36 W |
| Portion of Meadow Valley Flowage | Reservoir | 44 | Juneau | 44 13 42 N | 090 14 54 W |
| Portion of Meadow Valley Flowage | Reservoir | 44 | Juneau | 44 13 42 N | 090 13 18 W |
| Portion of Meadow Valley Flowage 14 | Reservoir | 44 | Juneau | 44 13 12 N | 090 17 30 W |
| Portion of Meadow Valley Flowage 14 | Reservoir | 44 | Juneau | 44 13 18 N | 090 14 54 W |
| Portion of Meadow Valley Flowage 24 | Reservoir | 44 | Juneau | 44 13 18 N | 090 15 30 W |
| Portland Maples State Natural Area | Park | 44 | Monroe | 43 44 39 N | 090 51 34 W |
| Princeton Prairie State Natural Area | Park | 44 | Green Lake | 43 53 35 N | 089 02 18 W |
| Puchyan Prairie State Natural Area | Park | 44 | Green Lake | 43 53 28 N | 089 01 12 W |
| Ripon Prairie State Natural Area | Park | 44 | Fond du Lac | 43 51 54 N | 088 48 20 W |
| Robinson Creek Pines State Natural Area | Park | 44 | Jackson | 44 11 31 N | 090 39 47 W |
| Roche-A-Cri Mound State Natural Area | Park | 44 | Adams | 44 00 09 N | 089 49 07 W |
| Roche-A-Cri Woods State Natural Area | Park | 44 | Adams | 44 00 09 N | 089 49 33 W |
| Rush Lake State Natural Area | Park | 44 | Winnebago | 43 54 21 N | 088 47 15 W |
| Sand Creek Pines State Natural Area | Park | 44 | Monroe | 44 04 46 N | 090 57 56 W |
| Sanderling Nature Center | Building | 44 | Sheboygan | 43 40 02 N | 087 42 58 W |
| Skunk and Foster Lakes State Natural Area | Park | 44 | Waupaca | 44 25 42 N | 089 12 57 W |
| Snake Creek Fen State Natural Area | Park | 44 | Green Lake | 43 51 43 N | 089 01 58 W |
| Sohlberg Silver Lake State Natural Area | Park | 44 | Adams | 43 53 30 N | 089 54 18 W |
| Spring Lake State Natural Area | Park | 44 | Fond du Lac | 43 35 46 N | 088 12 01 W |
| Spruce Lake Bog State Natural Area | Park | 44 | Fond du Lac | 43 40 12 N | 088 12 03 W |