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George Weasley: "Anyway, we’ve got to go, Lee Jordan reckons he’s found a new secret passageway out of the school."
Fred Weasley: "Bet it’s that one behind the statue of Gregory the Smarmy that we found in our first week. See you."
Fred and George Weasley regarding secret passages in Hogwarts to Harry Potter[src]

Hogwarts Castle contained many secrets

There existed many Hogwarts secret passages.[1] Most were internal to the castle, such as a stairway hidden behind a tapestry. Several led from the castle or school grounds past the boundaries, presumably to the nearby wizard village of Hogsmeade.

Passages out of school

The Marauder's Map

During the 1993-1994 school year, Fred and George Weasley revealed and gave the map to Harry Potter so he could use a secret passage to get to Hogsmeade, since he didn't have a signed permission form, and Dementors were patrolling the boundaries. They said they acquired it from Argus Filch's Office during their first year at Hogwarts (the 1989-1990 school year). They demonstrated the map, showing seven secret passages leading to Hogsmeade, and which one was most likely known only by them.[2]

These seven were:

A path from beneath the Whomping Willow leads to the Shrieking Shack

The Vanishing Cabinets

Peeves is the one who smashed one of the two vanishing cabinets, after being convinced to do so by Nearly Headless Nick

The Room of Requirement

Due to the nature of the Room of Requirement, it was possible that several passages to different locations outside of Hogwarts could be accessed from it.

Individuals who knew about secret passages at Hogwarts

  • In the 1995-1996 school year Fred and George Weasley threw Montague, a member of the Inquisitorial Squad, into the broken Vanishing Cabinet, where he disappeared and was trapped.[8] He was finally able to disapparate and re-appeared in a Hogwarts toilet. He recounted his experience of sometimes hearing people in Hogwarts and other times people in Borgin and Burkes. From this, Draco Malfoy realised that the two cabinets created a passage and that if he could fix the broken one then he would have a secret passage into Hogwarts. He did this and brought Death Eaters into Hogwarts, boasting to Professor Dumbledore (and an invisible Harry Potter) before fleeing with Snape through the front gates.[9] Harry Potter then informed Professor McGonagall, and those also present in the hospital wing, of this secret passage.[10] What became of the Vanishing Cabinet in Borgin and Burkes is unknown. The other vanishing cabinet remained at Hogwarts in the Room of Hidden Things until it was likely destroyed in 1998 by Fiendfyre.[11]

Blocking the passages out of school

Around 1993, Fred and George Weasley reported that one passage on the Marauders Map had its ceiling collapse, and was impassible.

The 1996-1997 school year saw even stricter security measures on the castle, including the use of Secrecy Sensors to stop smuggling in of Dark objects and sealing the gates and boundaries to unauthorised entry. Since the Marauders, Remus Lupin and Sirius Black had re-joined the Order of the Phoenix the prior year, Professor Dumbledore may have blocked the known secret passages on the Marauders Map.

The passage into Hogwarts by the pair of vanishing cabinets was blocked when Peeves damaged the one at Hogwarts in the 1992-1993 school year, until Draco Malfoy repaired it in 1996. It is unknown whether the Ministry seized or destroyed the vanishing cabinet at Borgin and Burkes after the Battle of Hogwarts but before the Fall of the Ministry of Magic to prevent its further use as a passage to Hogwarts. The one at Hogwarts was likely destroyed by Fiendfyre in the Room of Hidden Things.

In 1997, Aberforth Dumbledore said that all the old passages into the school (meaning the 7 on the map) were blocked. During the Battle of Hogwarts, Fred and George Weasley said they'd help guard these passages against the Death Eaters.

When Aberforth left his pub to join in the Battle of Hogwarts, the secret passage through the Room of Requirement was closed. It was unknown whether anyone opened it or could have opened it from his pub, though over a hundred students and staff now knew where it was.

Secret Passages within the castle

There are minor secret passages within Hogwarts, such as a stairway hidden by a tapestry with a trick step. Argus Filch reportedly was familiar with all of them, so he could quickly cross the castle in pursuit of rule-breakers.

The Marauder's Map also showed rooms and secret passages inside Hogwarts that the Marauders discovered,[2] but not those they did not discover (e.g. the entrance to the Chamber of Secrets and the Room of Requirement, but the latter may also have been due to its Unplottability).

When members of Dumbledore's Army were using the Room of Requirement as a hideout, they needed a secret exit, to avoid their enemies who might be guarding the normal entrance on the seventh floor. Neville Longbottom said that each day the exit led to a different place in the castle. The night of the Battle of Hogwarts, Harry found that he and Luna had exited to the fifth floor.[6]

Pipes and the Chamber of Secrets: The Chamber of Secrets itself was far below the school, and someone had to ask the chamber door on that level to open with Parseltongue. But in order for a person to get down there, they would have to use Parseltongue in Moaning Myrtle's Bathroom to open a secret passage into a pipe large enough for them to slide through to that level. During the 1992-1993 school year, Harry Potter was hearing the Basilisk moving through the pipes in the walls, though he did not know it at the time. Later when he slid down the pipe on the way to the Chamber of Secrets, he saw pipes branching off into other directions. These could have been secret passages for a large serpent to use, and might open in other parts of the school.[12]

Appearances

Notes and references

  1. Hogwarts secret passages - Pottermore
  2. 2.0 2.1 Harry Potter and the Prisoner of Azkaban, Chapter 10 (The Marauder's Map)
  3. Harry Potter and the Prisoner of Azkaban, Chapter 17 (Cat, Rat and Dog)
  4. Harry Potter and the Prisoner of Azkaban, Chapter 18 (Moony, Wormtail, Padfoot and Prongs)
  5. Harry Potter and the Philosopher's Stone, Chapter 9 (The Midnight Duel)
  6. 6.0 6.1 6.2 6.3 6.4 Harry Potter and the Deathly Hallows, Chapter 29 (The Lost Diadem)
  7. 7.0 7.1 Harry Potter and the Deathly Hallows, Chapter 28 (The Missing Mirror)
  8. Harry Potter and the Order of the Phoenix, Chapter 28 (Snape's Worst Memory)
  9. Harry Potter and the Half-Blood Prince, Chapter 27 (The Lightning-Struck Tower)
  10. Harry Potter and the Half-Blood Prince, Chapter 29 (The Phoenix Lament)
  11. 11.0 11.1 Harry Potter and the Deathly Hallows, Chapter 31 (The Battle of Hogwarts)
  12. Harry Potter and the Chamber of Secrets, Chapter 16 (The Chamber of Secrets)
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