How to Get to the Underground Harbour in Hogwarts Legacy

Reveal the secret room of the Hogwarts castle.
The Underground Harbour
Image Source: Screenshot via Avalanche Software

Hogwarts School of Witchcraft and Wizardry features many hidden rooms for players to discover, from the Room of Requirement to the Werewolf Tapestry Room. One, in particular, is deep below the castle’s surface, which will be a part of Mrs. Weasley’s assignment. Here’s everything you need to know about how to get to the Underground Harbour in Hogwarts Legacy.

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Underground Harbour Location in Hogwarts Legacy

To reach the Underground Harbour in Hogwarts Legacy, players must travel to The Great Hall’s Viaduct Courtyard Floo Flame.

Viaduct Courtyard Floo Flame
Image Source: Screenshot via Avalanche Software

Once there, you can start walking forward and make a slight right turn (don’t take the stairs down):

Traveling to the Underground Harbour
Image Source: Screenshot via Avalanche Software

You should be able to spot the doorway to the Underground Habour, where you will take an elevator down to the secret floor.

Opening the door to the Underground Harbour
Image Source: Screenshot via Avalanche Software

You can gather several resources in this destination, including a Field Guide Page for Mrs. Weasley’s assignment and an eye chest. Players can also use their magic to skip a few rocks near the water or gaze at the dancing ghosts. Furthermore, you can swim out through the tunnel of the area and take a shortcut to the Boathouse.

That does it for our guide on how to get to the Underground Harbour in Hogwarts Legacy. For more content, be sure to explore the relevant links below, such as our guide on how to find and tame beasts.


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Kristina Ebanez
Kristina is a Staff Writer and has been with Twinfinite for more than a year. She typically covers Minecraft, The Sims 4, Disney Dreamlight Valley, anime, Call of Duty, and newly released games. She loves the Metal Gear Solid series (Snake Eater especially), Rockstar's Bully, the Horizon franchise, What Remains of Edith Finch, and many more. Her dog is also an avid video game watcher, primarily when there's a horse or a cat. She has a Bachelor's degree in English from the University of Hawaiʻi at Hilo and grew up gaming on the islands.