Kerep cave Ambarawa including pioneering the caves in Indonesia after Sendangsono and Sriningsih. Kerep cave was founded in 1954 and it was created with a simple history and not based on a vision. However, the cave can not be said to occur by chance. Everything happens for sure because of the God Will that has a plan for mankind in Ambarawa particularly.
Birth date of Kerep cave can not be separated from Dutch citizen who served as the manager of thee plantation in Ambarawa, he had offered the land and house to the church. The land and the house were awarded to Brother Apostolic Congregation. Congregation was founded by MGR Albertus Soegijapranata and consisted of local people as well as the status of diocesan congregation. But unfortunately, the congregation did not last long because there was no demand until dissolved. In the land of the monastery founded Kerep cave.
Development Kerep cave also closely related to pastoral letter from the Pope in 1954. Pastoral letter is the Marian Year in order to commemorate 100 years of age dogma Maria contained pure. The contents of the letter Shepherd urged all parishes held a memorial in honor of Mary virgin. Former Director of congregation apostolic Brother, Father J Reijnders which at the time became the Parish Priest St. Joseph Ambarawa, urged people to hold a celebration to honor Mary. At the time of a priest, Father Bernardine Soemarno SJ come to the place and Reijnders make sharing on the activities in framework of Mary feast celebration. By Father Bernardine Soemarno suggested that SJ is a cave as a place of devotion to Mary.
The idea of Father Bernardine Soemarno SJ then realized in 1954. School students living in dormitory of teacher Bruderan and ordered to gather stones from the river length and gathered in the garden Bruderan Apostolic Kerep. According to Reijnders Father, Brother FX Woerjoatmodjo, who was head of the hostel and stay at rectory of Ambarawa helped to lead.