OSi 1:50,000 Discovery Series

The 1:50,000 Discovery series of maps published by Ordnance Survey Ireland (OSi) consists of 75 sheets. These maps cover the entire Republic of Ireland, with the exception of small areas of Counties Donegal and Leitrim (which are covered by the OSNI 1:50,000 Discoverer series).

Each of the blue markers on the key map below represents the centre point of a map sheet in the OSi 1:50,000 Discovery series. You can find out more about a specific sheet by clicking on the relevant blue marker, or by selecting from the list further down this page:

Map sheets in the OSi 1:50,000 Discovery Series:

  Sheet 1

  Sheet 2

  Sheet 3

  Sheet 6

  Sheet 10

  Sheet 11

  Sheet 16

  Sheet 22

  Sheet 23

  Sheet 24

  Sheet 25

  Sheet 26

  Sheet 27A

  Sheet 28A

  Sheet 28B

  Sheet 30

  Sheet 31

  Sheet 32

  Sheet 33

  Sheet 34

  Sheet 35

  Sheet 36

  Sheet 37

  Sheet 38

  Sheet 39

  Sheet 40

  Sheet 41

  Sheet 42

  Sheet 43

  Sheet 44

  Sheet 45

  Sheet 46

  Sheet 47

  Sheet 48

  Sheet 49

  Sheet 50

  Sheet 51

  Sheet 52

  Sheet 53

  Sheet 54

  Sheet 55

  Sheet 56

  Sheet 57

  Sheet 58

  Sheet 59

  Sheet 60

  Sheet 61

  Sheet 62

  Sheet 63

  Sheet 64

  Sheet 65

  Sheet 66

  Sheet 67

  Sheet 68

  Sheet 69

  Sheet 70

  Sheet 71

  Sheet 72

  Sheet 73

  Sheet 74

  Sheet 75

  Sheet 76

  Sheet 77

  Sheet 78

  Sheet 79

  Sheet 80

  Sheet 81

  Sheet 82

  Sheet 83

  Sheet 84

  Sheet 85

  Sheet 86

  Sheet 87

  Sheet 88

  Sheet 89









 
 

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