Welcome to the

Great Ohio

County History Challenge!


This is a series of challenge caches across the state each with the challenge of finding 7 of the 10 oldest caches per county.

We are currently in the process of developing the caches across the state, and you can see what counties are currently available below.


To view the current counties available in the challenge on geocaching.com please click here:

Ohio County History Challenge (geocaching.com)


*counties listed in RED in the map indicate an Ohio County History Challenge cache is published for the county.

*counties listed in PINK in the map indicate an Ohio County History Challenge cache is being built for the county.

Adams Allen Ashland Ashtabula Athens Auglaize Belmont Brown
Butler Carroll Champaign Clark Clermont Clinton Columbiana Coshocton
Crawford Cuyahoga Darke Defiance Delaware Erie Fairfield Fayette
Franklin Fulton Gallia Geauga Greene Guernsey Hamilton Hancock
Hardin Harrison Henry Highland Hocking Holmes Huron Jackson
Jefferson Knox Lake Lawrence Licking Logan Lorain Lucas
Madison Mahoning Marion Medina Meigs Mercer Miami Monroe
Montgomery Morgan Morrow Muskingum Noble Ottawa Paulding Perry
Pickaway Pike Portage Preble Putnam Richland Ross Sandusky
Scioto Seneca Shelby Stark Summit Trumbull Tuscarawas Union
Van Wert Vinton Warren Washington Wayne Williams Wood Wyandot

 *counties listed in RED in the table indicate a Ohio County History Challenge cache is available for the county

If you're interested in creating an Ohio County History Challenge cache for your county, please email us at This email address is being protected from spambots. You need JavaScript enabled to view it.


Counties Completed Leaderboard

(Minimum 3 finds in the series)


This leaderboard is normally updated once per week.

It lists the current finders of Ohio County History Challenge caches with at least 3 finds in the series.

Owned caches in the series are counted as a find.

For an up to date count of finds (not including owned caches) for all finders of the series, please click here:

------------>Project-GC Leaderboard<-----------


Cacher Name: Finds: