When St. Euthymius fell asleep in the Lord (+473), St Sabbas withdrew from the Lavra and moved to a cave near the monastery of [[Gerasimus of Jordan|St. Gerasimus of Jordan]] ([[March 4]]). In 478, he moved to a cave on the cliffs of the Kedron Gorge southeast of Jerusalem. His hermitage formed the foundation of the monastery later named after him (Lavra Mar Saba) and known in ancient sources as the ''Great Lavra''.After several years, disciples began to gather around St. Sabbas, seeking the monastic life. As the number of [[monk]]s increased, the [[lavra]] came into being. When a pillar of fire appeared before St. Sabbas as he was walking, he found a spacious cave in the form of a church.
St. Sabbas founded several other monasteries. Many miracles took place through the prayers of St. Sabbas: at the Lavra a spring of water welled up, during a time of drought there was abundant rain, and there were also healings of the sick and the demoniacs. St. Sabbas composed the first monastic Rule of church services, the so-called ''Jerusalem Typikon'', accepted by all the Palestine monasteries. St. Sabbas died in his lavra on [[December 5]], 532 and is buried in a tomb in the courtyard between two ancient churches in the midst of the remnant of the great monastery, Lavra Mar Saba. . His feast day is on December 5.