Moaning Myrtle's Bathroom

Moaning Myrtle's Bathroom appears in Harry Potter.

Moaning Myrtle's Bathroom, a haunted girls' lavatory on the second floor of Hogwarts, emerges as a pivotal location in the Harry Potter series, primarily due to its connection to the long-sealed Chamber of Secrets. Introduced in the second book, it serves as the hidden entrance to the Chamber, activated by a serpentine sink, and remains a site of lingering mystery and Myrtle's ghostly lamentations throughout the series. While its central role peaks early, it continues to feature in later books for potion-brewing mishaps and revelations, evolving from a deadly portal to a quirky, melancholic Hogwarts fixture haunted by teenage tragedy.