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State Park Centennial Geotour

  • The Michigan State Parks Centennial GeoTour, a partnership with the Michigan Geocaching Organization, is your opportunity to seek out 100 new caches while tipping your hat to 100 years of state parks. It's a fun way to explore Michigan's great outdoors, while you join the 3 million geocachers looking for millions of caches located all over the world. It's a bit like a modern-day treasure hunt.

    All you need to do is download the App to your smartphone (or download coordinates to your GPS unit), search for the Michigan State Parks Centennial GeoTour (GT93), pick up (or download) your GeoTour ticket and you’re ready to begin! Once you find a certain number of caches, you can earn rewards.


  • Earn pathtags, geocoins and digital souvenirs 

    • Find a minimum of 20 GeoTour-specific geocaches in each region to receive a regional path tag for that region, courtesy of MiGO.
    • RED code words highlight historic sites at specific parks. You must find 5 of the 7 RED caches in each region to qualify for that region’s reward.
    • Each account can receive one pathtag per region.
    • Earn any 3 pathtags to qualify for a silver commemorative Michigan State Parks Centennial Geocoin, trackable at, courtesy of the DNR. 
    • Earn all 4 pathtags to qualify for a gold commemorative Michigan State Parks Centennial Geocoin, trackable at, courtesy of the DNR.
    • Each account can receive one gold and one silver reward.  
    Digital souvenir
    • Find and log all 100 GeoTour caches, and you will receive a digital souvenir from
    • Each account can receive one digital souvenir.
    Terms & Conditions
    All geocache logs must be physically signed by the seeker and must also be logged on to qualify. Entries must be accompanied by completing the GeoTour ticket. A ticket for each region can be submitted or a cumulative ticket may be submitted. Rewards are limited and will be distributed on a first-come, first-served basis, while supplies last. Neither the State of Michigan, Michigan Department of Natural Resources or the Michigan Geocaching Organization are responsible for tickets lost in the mail. All geocaches are hosted by and are the property of the Michigan Geocaching Organization. All rights reserved.   
  • Get acquainted

    • Download the Geocaching app to your smartphone or download coordinates to a GPS device via Geocaching.comSigning up for a basic account is free.
    • Locate the Michigan State Parks Centennial GeoTour (GT93). 
    • Download the GeoTour ticket (fillable PDF) or pick one up at a state park campground office. 
    • As you find caches, record the code word on your ticket and then log your find on
    • Return your completed ticket by May 2022 to Michigan State Parks Centennial GeoTour, c/o Michigan Geocaching Organization, P.O. Box 160, Eastpointe, MI 48021, utilizing the fillable PDF or scan and email to