25 to GC25 #12: 250 Border County Caches Challenge Mystery Cache
Hidden : 6/1/2025
Difficulty:
2.5 out of 5
Terrain:
2 out of 5

Size: Size: micro (micro)

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Geocache Description:


The challenge:

Find 250 caches in US counties that share a land border with Canada

PGC Checker

This cache is NOT at the posted coordinates. Please see the additional waypoint below for the actual coordinates of the container. This cache is a challenge cache, which means that the additional requirement displayed in red text above must be completed in order to log a find.
There are 52 counties in the United States that share a land border with Canada. Boundary County, which is home to GC25, is one of them, and the only one in Idaho. For this challenge, you need to find a total of 250 caches combined in these counties. The full list is provided below.
Alaska
  • Copper River Census Area
  • Haines Borough
  • Hoonah-Angoon Census Area
  • Juneau City and Borough
  • Ketchikan Gateway Borough
  • North Slope Borough
  • Petersburg Borough
  • Prince of Wales-Hyder Census Area
  • Skagway Municipality
  • Southeast Fairbanks Census Area
  • Wrangell City and Borough
  • Yakutat City and Borough
  • Yukon-Koyukuk Census Area
    		•
    Idaho
  • Boundary County
    		•
    Maine
  • Aroostook County
  • Franklin County
  • Oxford County
  • Somerset County
    		•
    Minnesota
  • Kittson County
  • Lake of the Woods County
  • Roseau County
    		•
    Montana
  • Blaine County
  • Daniels County
  • Flathead County
  • Glacier County
  • Hill County
  • Liberty County
  • Lincoln County
  • Phillips County
  • Sheridan County
  • Toole County
  • Valley County
    		•
    North Dakota
  • Bottineau County
  • Burke County
  • Cavalier County
  • Divide County
  • Pembina County
  • Renville County
  • Rolette County
  • Towner County
    		•
    New Hampshire
  • Coos County
    		•
    New York
  • Clinton County
  • Franklin County
    		•
    Vermont
  • Essex County
  • Franklin County
  • Grand Isle County
  • Orleans County
    		•
    Washington
  • Ferry County
  • Okanogan County
  • Pend Oreille County
  • Stevens County
  • Whatcom County
    		•

    This cache is part of the 25 to GC25 Challenge Series, a trail of geocaching challenges placed along the road to GC25 to celebrate the 25th anniversary of geocaching. Each cache in the series is designed such that a find on GC25 should contribute to your progress toward the challenge.

    Additional Hints (Decrypt)

    Rnfg fvqr bs ebnq, unatvat sebz fznyy naq fyvtugyl zvffuncra cvar

    Decryption Key

    A|B|C|D|E|F|G|H|I|J|K|L|M
    -------------------------
    N|O|P|Q|R|S|T|U|V|W|X|Y|Z

    (letter above equals below, and vice versa)


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