Forbidden Zone Geocaches
 
   
 
FBZ Missions
 
 
  · Stone of the Lost Valley
· The Bunkers
· Mission Gorge
· Rock River Burial Mound
· Supernatural Supernova
· Little Green Men
· The Forbidden Zone
· The Doomsday Bomb
· The Monkey's Triangle
· Warlock Mine
 
 


 
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Don't have an account yet? You can create one. As a registered user you have advantages such as the ability to display and track your Operation Silverback progress, earn points, upload images, and post comments in the forum.
 
 


 
Journal Entries
 
 
 
· The Fool in the Rain [8/25/25]
· Reporting for Duty [2/24/25]
· Introduction [3/29/23] Normal.gif

[ More in Journal Section ]
 
 


 
Silverback Cipher
 
 
 
Silverback hunters should be familiar with the “pigpen” or masonic cipher, which is a simple substitution cipher exchanging letters for symbols based on a grid.

This cipher can be used to decrypt directions and secret codewords at FBZ geocaches!
 
 


 
External Links
 
 
  · 1: The CIA Vault
· 2: The FBI Vault
· 3: Project Blue Book
· 4: Aliens the Truth
· 5: The Black Vault
 
 


Surveillance Images

Photos shown here may yield clues to secrets at Forbidden Zone geocache locations!

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sandrock_canyon.jpg
122 viewsSandrock Canyon
burial_mound.jpg
128 views"Sacred" Primate Burial Mound?
rock_river.jpg
125 viewsAncient Rock River
big_palm.jpg
141 views"Big Palm"
palm_closeup.jpg
129 viewsFavorite Ape Hiding Spot
monkey_paw.jpg
171 viewsMonkey's Paw
FBZ.JPG
145 views
RiverB_P.jpg
132 viewsThe duo having fun at Rock River pt 2.
photo5.jpg
114 views
photo3.jpg
142 views
photo4.jpg
130 views
P1010078.JPG
103 views
34 pictures on 3 page(s) 1


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   Operation Silverback Prize Ring SILVERBACK Prize Rings

Those who create an account on fbz.geocaches.org and enter mission codewords and POTAM tracking bug numbers receive points towards an Operative ranking. Operatives who achieve the rank of General (700 points) are eligible to receive an official silver Operation Silverback GC.com trackable ring from Oakcoins. Gold rings are available for those who reach the rank of Green Beret (or higher).