The Claremont Hotel Club and Spa is known for reported paranormal activity, including sightings of a Victorian woman believed to be Mrs. Thornburg, who died of a broken heart after losing her daughter. Common phenomena include disembodied crying, mysteriously moving objects like buckets and toiletries, unexplained cold spots, and electromagnetic energy in haunted areas, particularly on the fourth floor. The hotel even embraces its ghostly past by offering haunted history tours. The most common spirit sighted is a Victorian woman in a white gown, thought to be Mrs. Thornburg. She is believed to be the wife of the original owner, who died of a broken heart after her daughter eloped to Europe, reports say. Visitors and staff have reported hearing a child crying and her distant call of "mommy". Items like buckets of water, toiletries, and dresser drawers are said to move or spill on their own. Bursts of cold air are frequently reported, contributing to a creepy atmosphere. Ghost hunters have detected high electromagnetic energy in some rooms, suggesting spiritual communication. Guests and staff sometimes feel a mysterious presence or suffocating sensation. A housekeeper reported seeing a guest in white who vanished, and a General Manager saw a woman in white in a window. Elevators have been observed being called to floors with no guests, indicating possible paranormal activity.