Lough Iron is a small lake on the River Inny

River Inny

The River Inny is a river in Ireland. It flows from Lough Kinale under the Bridge of Finea into Lough Sheelin in County Cavan and heads south to Lough Derravaragh...

, in County Westmeath, Ireland.
A long and narrow lake, about 4 kilometers in length, it lies downstream from Lough Derravaragh

Lough Derravaragh

Lough Derravaragh is a lough in County Westmeath, Republic of Ireland, north of Mullingar between Castlepollard, Collinstown, Crookedwood and Multyfarnham...

, close to Lough Owel

Lough Owel

Lough Owel is a lough in the Midlands of Ireland, situated north of Mullingar, the county town of Westmeath. It is a deep lake, well known amongst anglers, and holds a few char along with brown trout. Water from Lough Owel feeds the Royal Canal, a canal crossing Ireland from Dublin to the River...

.
It's a renowned bird and wildlife sanctuary, and also
known for its coarse fishing.
Lough Iron is not easily accessible, there is no road close to the lake or public access. Taking a boat down the River Inny is the only option.

Anglers can get information on Lough Iron from
the Shannon Fishery Board's website.
www.shannon-fishery-board.ie/guides/coarse/mullingar-inny.htm

A map of Lough Iron and surrounding townlands is available on the website of the Irish Statute Book.
http://www.irishstatutebook.ie/images/si284y95Map06.gif