Knock Shrine is a Roman Catholic pilgrimage site and national shrine in the village of Knock, County Mayo, Ireland, where locals saw an apparition in 1879 of the Blessed Virgin Mary, Saint Joseph, Saint John the Evangelist, angels, and Jesus Christ (the Lamb of God).
The Knock Mannin Lake Loop walk begins at the Pope Francis Plaza, situated across from the Parish Church on Main Street in Knock. The trail passes by a ringfort and burial cairns. Burial cairns date from the Neolithic Period and the Early Bronze Age.
- Trailhead / Start Point: Pope Francis Plaza, Main Street, Knock.
- GPS Location: 53.7916, -8.9209
- Distance: 19.2 km
- Terrain: country lanes and boreens
- Grade: Hard
- Estimated Time: 5 hours
- Minimum Gear: Sturdy walking shoes/boots, waterproofs, mobile phone, snacks & fluids
- Services: Knock