Santes Creus Monastery (1158): a king’s mummified body, found in 2010, still lying in a Roman porphyry bathtub

Monastery of Santes Creus in Catalonia, Spain, founded 1158, one of the three Cistercian abbeys of the 'Cistercian triangle' and royal pantheon of the Crown of Aragon, where King Peter the Great's mummified body was found in 2010 inside a Roman porphyry bathtub
Monestir de Santes Creus, Aiguamúrcia, Catalonia, Spain. Photo: Jordi Domènech, via Wikimedia Commons, CC BY-SA 3.0.
Aiguamúrcia, Catalogna, Spagna · fondato 1158, uno dei tre monasteri del “triangolo cistercense” catalano · Pantheon reale della Corona d’Aragona dal Duecento · Il corpo mummificato di Pietro il Grande, trovato nel 2010 dentro una vasca romana di porfido

Monastero di Santes Creus (1158): il corpo del re Pietro il Grande, mummificato dentro una vasca da bagno romana di porfido, ritrovato solo nel 2010

Fondato nel 1158, Santes Creus è uno dei tre monasteri del “triangolo cistercense” catalano, insieme a Poblet e Vallbona de les Monges. Nel XIII secolo, Pietro III d’Aragona — detto il Grande — scelse questo monastero come propria sepoltura: il suo sarcofago poggia su un’autentica vasca da bagno romana in porfido rosso, portata dall’ammiraglio Roger de Lauria. Nel giugno 2010, durante lavori di restauro, la tomba fu aperta per la prima volta: il corpo del re, mummificato, giaceva ancora disteso dentro la vasca, uno dei pochissimi sepolcri di un sovrano catalano mai giunto intatto fino a oggi.

About Santes Creus Monastery

The origins of Santes Creus Monastery date to 1158, when the Lords of Montagut and Albà donated the village of Santes Creus to monks from the earlier monastery of Valldaura; the necessary papal decree establishing the new monastery came from Pope Alexander III, and construction of the monastic buildings began in 1174, with the powerful Moncada family serving as the monastery’s principal early patrons. Santes Creus, together with Poblet Monastery and the convent of Vallbona de les Monges, forms what is known as the “Cistercian triangle,” a cluster of three closely linked Cistercian foundations that played a significant role in consolidating royal and ecclesiastical power across Catalonia during the 12th century. Santes Creus reached its greatest splendour during the 13th and 14th centuries, when the kings of the Crown of Aragon selected the monastery as a royal pantheon: in the 13th century, Peter III of Aragon — known as Pere el Gran, “Peter the Great” — expressed his wish to be buried at Santes Creus, and a royal crypt was constructed for him and his son, King James II, a choice of burial site that many of the local Catalan nobility subsequently adopted for themselves as well. Peter’s monumental tomb, begun by the sculptor known as Master Bartomeu around 1296, presents an especially striking design: the king’s sarcophagus rests directly atop an authentic ancient Roman bathtub carved from red porphyry, reportedly brought to the monastery by the admiral Roger de Lauria, with the whole ensemble set beneath a Gothic pavilion and flanked by two lions likely of Mesopotamian origin. Remarkably, Peter’s tomb is one of the very few tombs of any European royal line never to have been exhumed, and the only tomb of a Catalan king never to have been plundered; when the sepulchre was finally opened during restoration works in June 2010, the king’s mummified body was found lying horizontally within the porphyry bathtub, arms folded over the chest, head tilted slightly to the left.

Key facts

  • 1158: founded through a donation of the village to monks from Valldaura
  • 1174: construction of the monastic buildings begins
  • Cistercian triangle: Santes Creus, Poblet, and Vallbona de les Monges together
  • 13th-14th centuries: chosen as the royal pantheon of the Crown of Aragon
  • c. 1296: Peter III’s tomb begun by Master Bartomeu
  • The sarcophagus: rests on a genuine Roman red porphyry bathtub
  • June 2010: the tomb opened, revealing Peter’s mummified body still in place

History

Santes Creus’s role within the “Cistercian triangle” alongside Poblet and Vallbona de les Monges situates the monastery within a deliberate 12th-century strategy of royal and ecclesiastical power consolidation across Catalonia, three closely interlinked Cistercian foundations that together helped extend both religious and secular authority across the region during a formative period of Crown of Aragon statehood. Peter the Great’s extraordinary tomb, combining an ancient Roman porphyry bathtub with 13th-century Gothic royal funerary sculpture, exemplifies the broader medieval European practice of reusing prestigious antique materials — spolia — to enhance the perceived grandeur and legitimacy of new royal monuments.

The 2010 opening of Peter’s previously unviolated tomb represents an exceptionally rare opportunity for direct scientific and historical study of a medieval European monarch’s actual remains, since the vast majority of comparable royal tombs across the continent were disturbed, looted, or relocated at some point over the intervening seven centuries — making Santes Creus’s preserved sepulchre a genuinely unique source of bioanthropological and paleopathological evidence about a 13th-century Catalan king.

What you see

The monastery complex preserves its Cistercian Gothic church and cloister, alongside the royal chapter house and the ornate Porta Reial (Royal Gate). Within the church, the Gothic royal mausoleums of Peter the Great and of James II with his wife remain the site’s most significant funerary monuments, Peter’s tomb distinguished by its reused Roman porphyry bathtub sarcophagus set beneath an elaborate Gothic canopy.

Practical information

  • Opening hours: generally open daily with seasonal variation; check current hours before visiting; admission fee applies
  • Address: Plaça de Jaume el Just, 43815 Aiguamúrcia, Tarragona, Spain

Getting there

The Monastery of Santes Creus is located in the municipality of Aiguamúrcia, in the province of Tarragona, Catalonia, reachable by road. GPS: 41.3463° N, 1.3641° E.

Nearby

  • Poblet Monastery — another of the Cistercian triangle abbeys and royal pantheon, nearby
  • Vallbona de les Monges — the third monastery of the Cistercian triangle
  • Tarragona — the provincial capital, within driving distance

Sources

  • Wikipedia — “Santes Creus” (en.wikipedia.org)
  • Cultural Heritage, Government of Catalonia — “Opening the tomb of Peter the Great” (patrimoni.gencat.cat)
  • La Ruta del Cister — “Royal Monastery of Santes Creus” (larutadelcister.info)

Hero image: Santes Creus, edifici exterior, by Jordi Domènech, Wikimedia Commons, CC BY-SA 3.0. Editorial text © Cultural Heritage Online, 2026.

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