Westport House-Church Ruins, Architectural folly near Westport House, County Mayo, Ireland

Westport House-Church Ruins is a stone structure beside the Carrowbeg River within the Westport House estate grounds. The building preserves its original walls and displays the features of a former parish church.

The parish church was constructed in 1797 and served the local congregation until 1868, when a new building was erected with funds from the Marquess of Sligo. After this shift, the original walls remained standing as a historical record.

The remains show the architectural style of a late 18th-century church, still visible today through its stone walls. Visitors can observe directly how religious buildings were constructed and designed during this period.

The ruins stand on the Westport House estate, reached by walking the grounds from the house and following the Carrowbeg River; the remains lie close to the riverbank. The estate is a paying visitor attraction open seasonally, so check opening months before travelling. Ground underfoot is uneven grass and earth, and the site is best reached on foot.

The stone walls display visible traces of old craftsmanship and building techniques from the Georgian era. Visitors can recognize in these details how workers handled materials at that time.