This modest rock-cut chamber, measuring just 2.75 metres deep, 1.3 metres wide and 2.25 metres high, is said to have housed St. Muirdhealach, a hermit whose presence sanctified this stretch of Ireland’s northernmost coastline. The entrance has been partially walled up with stones, reportedly taken from the nearby medieval church that also bears the saint’s name.

The cave forms part of a trio of sacred sites along this shore, including Gorman Church and a holy well known as Tobar Muireadagh or Malin Well. Local folklore surrounding the Wee House includes the curious claim that it ‘holds all that goes into it, and the more goes into it, it holds the more’, suggesting some supernatural quality to its modest dimensions. Whether this refers to physical objects, prayers, or something more metaphysical remains part of the site’s enduring mystery.

Until relatively recently, the cave attracted pilgrims during the annual pátrún (pattern day) held on 15th August, though historical records indicate the gathering was previously celebrated on May Day and at midsummer. Devotees would bathe in the holy well before entering the cave to pray, continuing a tradition of veneration that likely stretches back to medieval times. While the exact date when the cave first gained religious significance remains unknown, its enduring place in local tradition speaks to centuries of continuous sacred use along this wild Atlantic shore.