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Tri-Cities 2017 Geocoin Challenge Mega-Event Cache

This cache has been archived.

Geocaching HQ Admin: Thank you for hosting this geocaching event! The date of the event has passed. We automatically archive events after 30 days (60 days for Mega- and Giga-Events). Attendees can still log archived events, log trackables, and share their experiences.

Hidden : Saturday, 24 June 2017
1 out of 5
1 out of 5

Size: Size:   other (other)

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Geocache Description:

Tri-Cities Geocoin Challenge takes geocachers around all four of our cities exploring new locations while finding newly placed geocaches. After finding all required geocaches and completing the passport you will earn this year's 2017 geocoin set. Since there are a limited number of geocoin sets, you can earn one per house hold only.

Tri-Cities 2017 Geocoin Challenge

Fire & Ice of the Mid-Columbia

Saturday, June 24, 2017

Sacajawea State Park


  • Free, family friendly weekend for new and experienced geocachers.
  • Travel around Tri-Cities (including West Richland) to find approximately 28 geocaches and earn a trackable geocoin.
  • Those who complete the challenge will receive a free geocoin. Coin details in progress.
  • Kids (13 and under) who complete the challenge will receive a prize.

TO REGISTER: Log “WILL ATTEND” on this page with the # of people connected to your geocache name.

Please also take the time to register at: TC 2017 On-Line Registration

Also be sure to visit and/or for news and updates.

Thursday, June 22 ~ Lab Cache Kick-Off (GC75MF7)

  • Location: Round Table Pizza
  • Poker Run Begins at 7pm (Pick up forms at Richland Community Center after 8pm or Pick up at Round Table Pizza)
  • Lab Cache Link:

Friday, June 23 ~ Meet & Greet (GC75BFV)

  • Location: Sacajawea State Park
  • Time: 6:00-9:00pm
  • Dinner: Between the Buns
  • Activities: Variety
  • Deadline to Return Completed Poker Run Forms: 6:30pm

Saturday, June 24 ~ Kick-Off Event

  • Location: Sacajwea State Park
  • Time: 8am-8pm
  • 8:00am ~ Ethos: Pastries & Coffee
  • 8:45am ~ Welcome
  • 9:15am ~ Group Photo
  • 9:20am ~ Passport Distribution (Pick up passport at picture location)
  • 9:30am ~ GPX Station (Pick up tocken at picture location)
  • 2:00-5:00pm ~ Geocache Activities (TBD)
  • 2:00-8:00pm ~ Coin Distribution ~ Must have completed passport to receive coin set (1 set per household)
  • 3:00-7:00pm ~ Food: Between the Buns, DoveJoint Food Truck, Snowies of West Richland
  • 7:30ish ~ Contest Prizes (must be present to win)

Sunday, June 25 ~ CITO & Breakfast Event

  • Location: Sacajwea State Park
  • 9:00am ~ Continental Breafast & Coffee
  • 10:00am-12:00pm ~ CITO (Help State Park Staff with clean-up projects)

Additional Hints (Decrypt)

Decryption Key


(letter above equals below, and vice versa)