(Federal) National Forests
Physical geocaches are allowed in the Superior National Forest but they must be registered at a Forest Service District Office before being placed.
1. All caches placed on the Superior National Forest must be registered at the appropriate District Rangers Office prior to placement.
2. Caches must be at least a ½ mile apart.
3. Caches need to be public, no member only or subscription caches.
4. Unregistered caches will be removed and violation notice issued.
5. Caches will last no more than one year and the District Ranger’s Office notified upon removal.
6. Physical caches must not be placed in the Boundary Waters Canoe area Wilderness, Research Areas, Natural Areas, or National Natural Landmarks. Only virtual caches are allowed in these areas.
7. Caches must be placed following Leave No Trace principals.
8. To protect threaten and sensitive species, caches must be only in uplands to protect wetlands and placed in such as a way that there is no disturbance of the ground or vegetation.
9. Caches must not contain food or hazardous materials.
10. Containers must be no smaller than a pint and no larger than two gallons.
11. Containers must be labeled on the outside so that it would not be mistaken as containing hazardous substances.
12. Do not direct people through or near identified archeological sites. This does not work towards maintaining or preserving heritage resources and could lead toward further degradation of the site.
13. Return registration to the District Office for approval by the District Ranger.
More information may be found here.
Caches are allowed without restriction in the Chippewa National Forest. More can be found here.