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Château de Gisors
Château de Gisors, Eure, Normandy · Nitot, CC BY-SA 3.0
Gisors, Eure · Normandy · France
❖Lost Treasure

Château de Gisors

StatusDisputedTypeBuried cacheEra12th century, reported 1946

In March 1946, the castle's gardener walked into the town hall at Gisors and reported what he said he had found after years of digging under the castle mound at night: a stone chapel underground, sarcophagi along its walls, and 30 metal chests stacked in the nave in columns of 10. His tunnel was filled in. France's culture minister sent official excavators in the 1960s and they found nothing at all.

Search Area

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Getting there
Start point
Château de Gisors, in the middle of the town
Visitor access
Château de Gisors, 27140 Gisors, Eure
Measured from
The feudal mound at the center of the castle enclosure
On foot
The park is entered directly from the town streets
Access underground
Only on the guided tour, which goes into the cellars beneath the mound
Nearest town
Gisors, Eure

A general search zone, not an exact site. The mound at the center of the enclosure is the fixed point every version of the story is measured from.

The Legend

The castle at Gisors was a Norman border fortress, built to hold the frontier between Normandy and the French king's lands. The Knights Templar held it for a period in the 12th century. That is the whole of the documented connection between Gisors and the Templars, and it is the seed of everything that came after.

Roger Lhomoy was the castle's gardener and caretaker. Convinced that something was buried under the feudal mound, he dug at night, alone, for years. In March 1946, he came to the town hall with an account of what he said he had reached: a Romanesque chapel underground, stone sarcophagi set along the walls, and 30 metal chests stacked in the nave in columns of 10.

The tunnel was declared unsafe and filled in. Lhomoy never brought out a single object from it, and nobody else ever saw the chapel he described.

The story would have ended there. It did not, because the writer Gérard de Sède published it in 1962, and André Malraux, then France's minister of culture, ordered official excavations at the castle. They ran into the mid 1960s. They found no chapel and no chests.

The castle is open today, and the guided tour goes down into the cellars beneath the mound Lhomoy spent six years digging into.

What May Be Out There

Everything claimed for the site rests on one man's account of one night's discovery.

  • A Romanesque chapel under the feudal mound, described by Lhomoy and seen by nobody since.
  • 30 metal chests, said to be stacked in columns of 10.
  • Stone sarcophagi set along the chapel walls.
  • Recovered so far: nothing, across two official excavations.

The Evidence

Documented record

  • The castle's genuine Templar tenure in the 12th century.
  • Lhomoy's report to the Gisors town hall in March 1946, and the filling of his tunnel.
  • The official excavations ordered by André Malraux in the 1960s, and their negative result.
  • The medieval graffiti carved into the walls of the Prisoner's Tower, which visitors can still see.

Legend and hearsay

  • The claim that the Templar treasure was moved to Gisors before the order was suppressed.
  • The chapel, the sarcophagi, and the 30 chests, none of them ever produced or photographed.
  • The Priory of Sion material that later attached itself to the site.

Known Clues

The Prisoner's Tower. The graffiti cut into its walls by prisoners is real, medieval, and on the standard tour. It is the one thing at Gisors that is old, strange, and still there.

Lhomoy's six years. He dug at night for years without being stopped, which tells you something about how loosely the mound was watched, and produced nothing portable, which tells you something else.

Malraux's excavations. A sitting culture minister putting state excavators into a castle on the strength of a gardener's story is the most remarkable fact in the case. They dug. There was no chapel.

Visiting Information

The castle park is free and open all year, from 9am to 5pm between October and March and until 7:30pm from April to September. It is entered directly from the streets of Gisors.

The keep, the Prisoner's Tower with its medieval graffiti, and the cellars beneath the feudal mound are reached only on a guided tour. Tours run from April 15 to October 30 at 10am, 2pm, and 5pm and last about 90 minutes, with tickets at 9 euros and a reduced rate of 4 euros. Children under 12 go free and children under 6 cannot join the tour. Groups are capped at 18 people, so it is worth booking ahead and confirming availability with the castle office.

The monument has more than 300 steps along with slopes and narrow staircases, so sturdy footwear helps. Gisors is on the rail line from Paris and the castle is a short walk from the station.

Treasure snapshot
Est. value
Unverified
Era
12th century, reported 1946
Tied to
The Knights Templar, by way of Roger Lhomoy
Type
Buried cache
Evidence
Weak, one unverified account
Can you search for it?
LandPublic, a listed historic monument
Entry to the parkFree
The keep and cellarsGuided tour only
DiggingNot permitted
Metal detectingNot permitted

The castle is a protected monument in the middle of a working town. Everything below ground is reached on the tour and nowhere else.

Before you go
Closest town
Gisors, Eure
Park hours
9am to 5pm in winter, to 7:30pm from April to September
Tours
April 15 to October 30, at 10am, 2pm, and 5pm
Booking
Groups are capped at 18, so booking ahead is worthwhile

Reality Check

How likely is this to be real?
Strong historical basisPlausible but unverifiedMostly legendProbably fabricated

A real castle, a real Templar tenure, and a real man who dug under it for years. Past that the case is one unverified account. Lhomoy produced no object, no photograph, and no witness, and when the French state sent its own excavators after him they came back with nothing. What survives at Gisors is worth the visit on its own: a border fortress, a keep, and prisoners' graffiti cut into the stone. The chapel with the 30 chests has never been seen by anyone but the man who reported it.

Field Gallery

No approved field photos yet. You could be first.

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