Watu Blencong is one of Mary's caves located in Borosuci, Beira village, Kalibawang, Kulon Progo, Yogyakarta. It is known as the holy place for Catholic people where they can visit and pray. This kind of Mary cave is getting well known now and is visited by local Catholic people all over Indonesia.

Watu Blencong is located near Kiskendo cave in Kulon Progo district, Yogyakarta. The cave was inaugurated on January 1 '2009, and it represents the history of the Catholic community to change the lives nearby. At the commencement of the devotion to the Mary Virgin, Watu Blencong cave was exposed and can emit light fire in the nighttime.

With an exposed statue of the Mary Virgin n the cave, and from that time got many Catholics came and pray, looking for lively street lighting. They hope will get biased in finding ways of light, such as the problems of life by mankind.

Watu Blencong stone pilgrimages cave known as lightning, where Catholics come to seek enlightenment in life. The pilgrimages could pray and hope and find a way to brighten the future life.