Ye Ole Survey Monuments
This map showcases all the Block type of trig points found in the UK that we've successfully imported into our database.
Important to note: the locations displayed for "Ye Ole Survey Monument Caches" represent the trig point itself, not the hidden geocache.
| Map Key: | |||||||||||||||||||
 |
YOSM Locations | | |  |
Pillar | | |  |
Bolt | | |  |
Rivet | | |  |
Cannon | | |  |
Surface Block | | |  |
Intersected Station |
 |
Buried Block | | |  |
FBM | | |  |
Disc | | |  |
Cut | | |  |
Berntsen | | |  |
Concrete Ring | | |  |
Active Station |
 |
Brass Plate | | |  |
Block | | |  |
Pipe | | |  |
Spider | | |  |
Fenomark | | |  |
Curry Stool | | |  |
Platform Bolt |
 |
Unknown/Other | | | All Trig Points | | | |||||||||||||||
 |
Archived | These maps were last updated on 21 February 2025 | |||||||||||||||||