Ann Arbor Natural Area Preservation
Written by Michigan Geocaching Organization   
Saturday, 02 August 2008

MiGO has an ongoing relationship and agreement with the Natural Areas Preservation organization. They have developed guidelines and a permit process for the placement of caches in their managed lands. Visit this link to see the requirements and obtain the neccesary permits.

General Information

Natural Area Preservation (NAP) works to protect and restore Ann Arbor’s natural areas and foster an environmental ethic among its citizens.

Mail or Bring Permits To: Natural Area Preservation 1831 Traver Rd. Ann Arbor, MI (734) 996−3266


NAP has supplied some maps of the sensitive areas for reference. These are subject to change without notice and may not include all of NAP's managed areas, but will help with the parks listed:

Geocaching Information

The Officials at the Natural Areas Preservation have developed a set of guidelines and a permit process that must be followed for all geocaches placed in the City of Ann Arbor, Michigan. Note that your cache WILL NOT be approved on if this permit is not obtained and the cache is approved by an official at Natural Areas Preservation.

Guidelines for Cache Placement:
  1. To place a cache in any City of Ann Arbor Park or Nature Area a person must first obtain a permit. These can be obtained, at no cost, from the Natural Area Preservation (NAP) office by mail, fax, email, or in person. (Geocaching Permit)
  2. Containers must be transparent. Do not use ammo boxes, PVC pipes or other containers that might cause alarm. The cache must contain the permit and information on Geocaching in case any non-participant finds the cache.
  3. Offensive, illegal or dangerous items are not allowed in any cache.
  4. When placing a cache do not disturb the surrounding environment in any way. This includes digging holes, cutting vegetation, or attaching the cache to live trees.
  5. Place the cache in a safe area. Think about the safety of people who will be looking for your cache and use common sense.
  6. A cache must be located at least 200 feet from a "preserve" area. Preserves are indicated on aerial maps that will be given to people who apply to place a cache. Exceptions may be made at the discretion of the NAP staff.
  7. Place the cache so people can use the established trails as much as possible.
  8. When hunting for or hiding a cache you must abide by City of Ann Arbor Park hours and regulations.
  9. After one year the cache should either be removed or relocated at least 500ft. away. This should be done in coordination with the NAP staff.
Permit Process:
  1. Download the permit form from NAP's web site: Geocaching Permit.
  2. The cacher fills out the application and returns it to NAP at the address listed on this page or in person.
  3. NAP goes over the permit and sends a map to the cacher showing the area(s) of the park, or a nearby park, that would be suitable for placing a cache.
  4. The owner can then place the cache in that area and let us know the coordinates and general location on the map.
  5. Once we have the coordinates and all the guidelines have been satisfied we will send the owner a permit that should be placed in the cache.
  6. Any caches found without this permit will be reported to MiGO and will be temporarily removed and archived. The owner will be contacted and asked to complete the permit process for this cache.
Last Updated ( Thursday, 11 October 2012 )