In recognition of 250 years of history since the American Revolution, the Heart of the Civil War Heritage Area presents the US 250^th GeoTour, a geocaching experience.

Explore Maryland’s Carroll, Frederick, and Washington Counties, visiting historic sites, solving puzzles, and finding caches that should delight beginner and veteran cachers alike.

It’s free to get started geocaching: create an account on geocaching.com and download the Geocaching app to get started. Record the code found in each physical cache’s logbook. Find 15 codes and record them in the GeoTour passport to receive a commemorative Geocoin while supplies last. Find all 21 hidden caches to receive a digital souvenir on your geocaching.com account.

Starting Sept. 19, 2025: Find the HCWHA US 250th GeoTour and get started. 

Download the GeoTour Passport and get started.

Upcoming Events

Join us on Friday, Sept. 19th, 2025 for the official launch of our 250th GeoTour! The kickoff event will be held at the Westminster Branch of the Carroll County Public Library on the lower level in the Exploration Commons Large Meeting Room from 12 PM to 4 PM. Register to attend here.

Plan to stay in the region all weekend and join the Celebrating 25 Years of Geocaching in the DMV event at the Snook Farm Agricultural Center at Utica Park on Saturday, Sept. 20. Gather with geocachers from 10 AM to 4 PM at this event held by the Maryland Geocaching Society and the Northern Virginia Geocaching Organization. See more and register here. 

On Sunday, Sept. 21, redeem your completed passport at the Frederick Visitor Center and receive a free GeoCoin while supplies last. The coin redemption event is from 12 PM to 3 PM. See more about this event. 

Geocachers will be able to redeem their completed passports in exchange for a Geocoin at the Frederick Visitor Center during the Visitor Center’s open hours, while supplies last.