OSNI Discoverer maps

List of Maps

OSNI mapping is now available online. OSNI, then Basemap Gallery (4 squares icon), then either 25K or 50K. This is OpenStreetMap, a good alternative to OSNI

1:50,000 scale Discoverer series

# Map Buy
4 Coleraine UK USA France
5 Ballycastle UK USA France
7 Londonderry UK USA France
8 Balleymoney UK USA France
9 Larne & Ballymena UK USA France
12 Strabane UK USA France
13 The Sperrins UK USA France
14 Lough Neagh UK USA France
15 Belfast UK USA France
17 Lower Lough Erne UK USA France
18 Enniskillen UK USA France
19 Amargh UK USA France
20 Craigavon UK USA France
21 Strangford Lough UK USA France
26 Lough Allen UK USA France
27 Upper Lough Erne UK USA France
28 Monagham Keady UK USA France
29 The Mournes UK USA France