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Lake in Irish (Loch): Meaning, Pronunciation, Usage

‘loch’ also means: sea inlet

The Irish for lake is loch, a masculine noun (plural lochanna).
Updated October 2026Report a mistake

How to say “lake” in Irish

Irish:
loch
English:
lake, sea inlet
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“lokh”  /l̪ˠɔx/
Various forms
Plural:
lochanna (lakes)
Genitive singular:
locha, an locha (e.g. bruach an locha, the shore of the lake)
Genitive plural:
lochanna, na lochanna (e.g. tír na lochanna, the land of lakes)

What does “loch” mean?

“Loch” has two alternative meanings. The most common comes first.

lake
A large body of fresh water surrounded by land.Also: lough, loch, pond.
1 other meaning: sea inlet
2sea inlet
An arm of the sea reaching into the land, as in many Irish place names.Also: lough, fjord, arm of the sea.

“Loch” with the article

The plural of lake in Irish is lochanna. Here is loch after the article (an t-alt), in the singular and the plural.

an loch
the lake
No change after an
na lochanna
the lakes
Plural: no change after na

“Loch” in a sentence: Irish examples

Common Irish sentences using loch, the Irish word for lake.

Tá loch álainn in aice an tí.
There's a beautiful lake near the house.
Chuamar ag snámh sa loch inné.
We went swimming in the lake yesterday.
Bhí an loch reoite ar maidin.
The lake was frozen this morning.
Shiúlamar timpeall an locha tráthnóna.
We walked around the lake in the evening.
Tá a lán lochanna i gContae an Chabháin.
There are lots of lakes in County Cavan.
Rug m'athair ar bhreac mór i Loch Measca.
My father caught a big trout in Lough Mask.
Is maith liom uisce glan na lochanna.
I like the clean water of the lakes.

Other nouns in Irish

More everyday Irish nouns to learn next.

Lake in Irish: frequently asked questions

What is the Irish for lake?

The Irish for lake is loch (pronounced “lokh”). It’s a masculine noun and the plural is lochanna. Depending on context it can also mean sea inlet.

How do you pronounce loch in Irish?

Loch is said like “lokh” (IPA /l̪ˠɔx/).

What is the plural of lake in Irish?

The plural of loch is lochanna; with the article, na lochanna means “the lakes”. The genitive plural is lochanna, as in tír na lochanna (the land of lakes).

Does loch have more than one meaning?

Yes. Loch can mean lake or sea inlet, depending on context; the first is the most common.

Is 'loch' the same as English 'lough'?

Yes, the English word 'lough' in Irish place names comes from 'loch', e.g. Loch Dearg became Lough Derg.

What is the difference between 'loch' and 'lochán'?

A 'loch' is a lake, while a 'lochán' is a small lake or pond.

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