Ordnance Survey Northern Ireland (OSNI) on HiiKER

Because of the long history of mapping in Ireland, OSNI’s mapping data is amongst the most detailed and comprehensive in the world.

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Available with HiiKER PRO+

Not only do you get Ordnance Survey Northern Ireland (OSNI) with HiiKER PRO+, but ALL of our curated collections of the worlds essential hiking maps from both national and independent sources. Plus a bunch of great tools too!

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Get Ordnance Survey Northern Ireland (OSNI) on HiiKER