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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Quartz-Hill.jpg
Quartz Hill-100 viewsA view from the top of Quartz Hill, Stage 1A.
triangle_soccer_ball.jpg
Top of B1-106 viewsA view very similar to what was seen in the dreams of a child in Pine Valley!
steel_plate_down.jpg
Steel Plate-111 viewsCould this be the location where the Stage Two (2) coordinates are hidden?
triangle_plate_up.jpg
The Hidden Coordinates-152 viewsYes! The Stage Three (3) coordinates are revealed!
stage-3.jpg
Stage Three (3) Perimeter-136 viewsA view of the main FBZ 56 ammo can.
cryptex-foam-box.jpg
Stage 4-130 viewsThe cryptex.
6EQUJ5_2.jpg
The Cryptex-134 viewsThe lucky number!
stage-4-combo.jpg
Stage 4-136 viewsCombination to unlock toolbox.
car overturned.jpg
Our Boy's Car-122 viewsOverturned along Boulder Creek Road.
tree of life.jpg
Tree of "Life?"-125 viewsAlien abduction hotspot.
cow skull.jpg
Cow Skull-140 viewsEnlightenment here!
ape 57 sign.jpg
Facility Placard-141 viewsAdhering to this sign is a key to a successful finish!
90 pictures on 8 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).