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Converting WW1 Trench Maps to Modern Locations


British Trench Maps 1914 - 1918

Select your map below, including the sheet name, reference letter, number, square and x, y value.Note: If the x, y value are single digit, eg Sheet 51b.A.8.a.4.7 then tMapper assumes x as 40, y as 70

Map Sheet:

X, Y Value [0-99]:

  • During WW1, combatants surveyed thousands of square kilometres, painstakingly mapping key locations into a now forgotten reference system. One hundred years later, the tMapper Team have harnessed the power of Google Maps to project a trench reference onto a modern map.

  • Advanced users can select multiple conversions, view elevation profiles, navigate to a location and search for nearby trench systems

France Flanders

Advanced Mapping

Bulk Conversions:

Type or paste into your map list below:


Elevation Profile:

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