Peter tried to refuse an elevation to the episcopate though his superiors and Bernard of Clairvaux insisted that he accept the position.
Miracles were reported at his tomb after his death and this led Pope Celestine III to canonize Peter as a saint in mid-1191.
[2] The Archbishop of Tarentaise, (also named Peter, and the first Cistercian raised to the episcopate), and Amadeus III, Count of Savoy wished to establish a shelter for pilgrims and travelers along the old Roman road from Vienne to Milan.
In 1132, Peter, his abbot, and twelve other monks founded Tamié Abbey in a defile of the Bauges mountains, as a daughter house of Bonnevaux.
[3] In 1142, at the insistence of his superiors including Bernard of Clairvaux, Peter reluctantly accepted the position as the Archbishop of Tarentaise.
[5] Peter was reluctant to emerge from his newfound solitude but was welcomed back into his archdiocese with much enthusiasm on the part of the people.
On one occasion Pope Eugene III in 1153 asked him to mediate a feud between the lords at La Chambre and the Bishop of Maurienne.