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Ye Ole Survey Monuments- Porthcurno Virtual Cache

This cache has been locked, but it is available for viewing.
Hidden : 03/26/2002
1.5 out of 5
2 out of 5

Size: Size:   virtual (virtual)

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Geocache Description:

Ye Ole Survey Monuments

Due to the new rules by that was put in place May 8th 2017 this cache can only be logged as a find once per geocacher. You can still log the cache by using the write a note option.If you want to continue with the YOSM stats logs should start with: Found it YSMxxx

The cache will be moved around the UK and area Geocachers from all areas will get a chance to log it. You will be searching for a specific survey monument,pillar, surface block, rivet,or bolt.Any of the past posted trigs can be logged

Only trigs with a YSM name and number can be logged.There are over 700 past posted trig locations. Check the News section in the link for trigs that cannot be logged and a download link for all posted trig locations

To log this cache:

*Email me the YSM number,name,trig plate numbers or a description of YSM747-Winchester (R)the YSM

*Start your log with the YSM number and name in that order

An example - YSM054 Ben Nevis

*Do not post the trig plate numbers or pictures of the trig plate in your log

*You can post pictures of the the trig in your log

*Logs will be deleted if these requirements are not met. A log to follow post with no YSM number and name is unacceptable and will be deleted

*In addition you may include what you feel the difficulty and terrain rating should be for this YOSM in the format D/T 1/2

An example log can be found here here.

YOSM Link.

Full details of all posted YOSMs (including downloads, statistics and utilities) can be found on

Link to Trigpointing UK site

Additional Hints (Decrypt)

LFZ755-Cbegupheab. Ryringvba 62z. Ybbxvat sbe n fhesnpr oybpx haqre n fgbar. Vz bss xreo LFZ754-Bfjrfgel. Ryringvba 105z. Ybbxvat sbe na SOZ

Decryption Key


(letter above equals below, and vice versa)