Altderg is in the Electoral Division of Kilfian West, in Civil Parish of Kilfian, in the Barony of Tirawley, in the County of Mayo

The Irish name for Altderg is An tAllt Dearg

Altderg is on Altderg.


It is located at 54° 13' 56" N, 9° 29' 12" W.


Altderg has an area of:

Nationwide, it is the 3364th largest townland that we know about

Within Co. Mayo, it is the 324th largest townland


Altderg borders the following other townlands:


We don't know about any subtownlands in Altderg.

Genealogy / Ancestry / Records Search

Curious to see who lived in Altderg in the past? Maybe even seeing scans of their handwritten census returns?

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Altderg was added to OpenStreetMap on 8 Oct 2015 by NoelB.