Ballyhaunis lies in an area of great historical importance, with one of the highest concentrations of megalithic monuments in the West of Ireland.

There are numerous ringforts, souterrains, burial mounds, church sites, wedge tombs, crannogs (lake dwellings) and fulachta fiadha (ancient cooking sites).

A recent discovery was a 4,000 year old dugout boat in Aughamore. Ballyhaunis attracts many visitors with an interest in archaeology who find the town an ideal holiday base.

The sites of archaeological interest include:

• Court Tomb Cappagh, Tooreen 3400 - 1800 BC

• Wedge Tomb Greenwood 1900 - 1400 BC

• Ogham Stones Island and Tullaghaun 400 AD

• Forts dotted all over the landscape

• Crannogs Island Lake, White Lake

• Souterrains at Aughamore, Carrownedan, Coolnah

• Several Esker Ridges e.g. Ballisk

Below is a list of further historical articles about famous landmarks in and around Ballyhaunis:

• Abbey Graveyard

• Annagh Civil Parish

• Annagh R.C. Parish

• Articles from Lewis' Topographical Survey published in 1837

• Famous People

• Hallowe'en

• Holy Wells

• Original Friary

• Origins Of The Town

• St Mary's Abbey

• In An Abbey Garden (Poem)

• The Abbey Walk (Poem)

• St Mary’s Abbey - Book

• The Barony of Costello

• The Name - Ballyhaunis

• Village Names & Meanings

St Patrick's Church and the Mayo Millennium Spire

• History of St Patrick's Church

• Mayo Millennium Spire

• Saint Patrick's Church Spire Appeal

• October 1999 - Spire Appears

• January 2000 - New Millennium Spire completed