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Mystery Cache

VC Puzzler

A cache by ORPI Cacher Send Message to Owner Message this owner
Hidden : 12/5/2007
In Arizona, United States
4 out of 5
1 out of 5

Size: Size: small (small)

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Geocache Description:

**** Before you leave home! ***
Print out and build the Decoder wheel located at:
You will not be able to complete the puzzle without it.

This is a puzzle cache; the cache is not at the posted coordinates. The posted cords are for parking at the Organ Pipe Cactus National Monument Kris Eggle Visitor Center where you will begin your challenge.

You will need to get into the building to complete this cache; Visitor Center hours are 8am to 5pm daily, closed on holidays. All aspects of this cache are wheel chair accessible. You will not need to walk more than .3 mile to complete the puzzle. Please do not leave the designated trails while completing the puzzle cache; at no point do you need to go off the path for information or to find the cache. This cache has a difficulty rating of 4 stars, it is a tough puzzle and you will have to work for it!

To begin ask the rangers at the front desk of the visitor center to view the 15 min orientation slide program “Where Edges Meet.”

You May choose to cut and paste this into a word document and increase the font for an easier worksheet while at the site.

1. During the presentation answer the following questions to get the coordinates for part two.
a. Organ Pipe Cactus National Monument contains about _ _ _ square miles of the Sonoran desert; subtract 440 from this number to get the digits a a below.
b. There are _ subspecies of Kangaroo Rat that live in the flat plains area of the Monument; enter this number as b below.
c. While visiting the monument, there are around _ _ species of mammal and _ _ species of reptile you may encounter; add the two species together and add 6 to get the digits c c below.
N 31°57.b c c (N 31°57._ _ _) W 112°.48.0 a a (W 112°.48.0 _ _)
These coordinates will guide you to part two of the puzzle.

2. (a) How many Ajo middle school students worked on this project? _ _ _ add 139 to this number to get a a a below
(b) How many endangered species were relocated to this refuge? _ _ _ add 89 to this number then subtract 300 from the sum to get b b below

N 31°57.a a a (N 31°57. _ _ _) W 112°48.0 b b (W 112°48.0 _ _)
These coordinates will guide you to part three of the puzzle

3. You are looking at a packrat midden. This midden is constructed out of a cluster of dead _________ __________. Use “The Amazing Geocaching Mystery Wheel” set on A2 to decode the first word; and L4 to decode the second word.
A: _ _ _ _ _ _ L: _ _ _ _ _ _
2: _ _ _ _ _ _ 4: _ _ _ _ _ _
N 31°57.a n c+c (N 31°57. _ _ _) W 112°48.0 j c (W 112°48.0 _ _)
These coordinates will guide you to part four of the puzzle

4. Here we are surrounded by what may well be the most hostile species in the monument! Say the name of this vicious organism out loud then use the Phanetic spelling to fill in the blanks. To get the coordinates for stop number 5 decode the letters using The decoder wheel set on H1.
H: _ _ _ _ - _ _
N 31°57.(h+h) (o-2) o (N 31°57. _ _ _) W 112°48.0 (o/2) (o-1) (W 112°48.0 _ _)
These coordinates will guide you to part five of the puzzle

5. Who Pollinates the Plants you are looking at here? To get the coordinates for the final location decode the answer using The decoder wheel set on M6.
M: _ _ _ _ _ _ _ _ _ _ – _ _ _ _ _ _ _ _ _
N 31°57.(n-5) o L (N 31°57. _ _ _) W 112°48.0 (o-2) L (W 112°48.0 _ _)
These coordinates will guide you to the cache!

This Puzzle Cache has been approved by:
Andy Fisher, Chief of Interpretation
Organ Pipe Cactus National Monument
10 Organ Pipe Drive
Ajo, AZ 85321

Find more information on Organ Pipe Cactus National Monument at:

Additional Hints (Decrypt)

qba'g sbetrg gb fvta va

Decryption Key


(letter above equals below, and vice versa)



153 Logged Visits

Found it 130     Didn't find it 4     Write note 17     Publish Listing 1     Update Coordinates 1     

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Current Time:
Last Updated: on 6/29/2017 1:19:26 AM Pacific Daylight Time (8:19 AM GMT)
Rendered From:Unknown
Coordinates are in the WGS84 datum

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