He lived in Châtres on the road to Orléans as a hermit for fourteen years, near a church dedicated to Saint Germain. His reputation attracted students to him, which distracted him from his hermitage. His devotion to Saint Peter the Apostle prompted a decision to make a journey to Rome, accompanied by some of the disciples. While in Rome, Pope Gregory II admonished him to use his talents to evangelize Bavaria. Corbinian, who may already have been a bishop or who was so consecrated by Gregory, was sent to minister to Grimoald, the Frankish Duke of Bavaria. Corbinian probably arrived in Bavaria in 724.