There are 5 former lookout sites registered in Wisconsin. The most recently registered former lookout site is Mineral Lake Lookout Site (US 2101, WI 5), added on December 31, 2023.
| Lookout Name | NHLR Registry Number | Available for Rental | Visit Reports |
| Carter Lookout Site | US 1742, WI 1 | ||
| Grantsburg Lookout Site | US 1951, WI 3 | ||
| Mineral Lake Lookout Site | US 2101, WI 5 | ||
| Monahan Lookout Site | US 2099, WI 4 | ||
| Rat Lake Lookout Site | US 1743, WI 2 |