This map showcases all the Ye Ole Survey Monument Cache which has sadly been archived. These locations may be available to place a new cache if you wish! Just head on over to our New Request form to get started.

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

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Pillar

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Bolt

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Rivet

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Cannon

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Surface Block

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Intersected Station

Buried Block

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FBM

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Disc

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Cut

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Berntsen

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Concrete Ring

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Active Station

Brass Plate

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Block

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Pipe

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Spider

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Fenomark

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Curry Stool

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Platform Bolt

Unknown/Other

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All Trig Points

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Archived

These maps were last updated on 21 February 2025