Bath's limestone foundations conceal over two millennia of burial grounds, plague pits and forgotten catacombs. The city's Georgian crescents rise atop Roman necropoli, medieval chapels and Civil War graves — strata that make Bath one of Britain's most archaeologically dense urban landscapes. Public ghost tours emerged here in the 1990s, when local historians began evening walks connecting abbey crypts, theatre hauntings and the subterranean vaults beneath Assembly Rooms. Today, Bath ghost tours prices reflect a competitive market shaped by five main operators, each departing nightly from Abbey Churchyard between April and October. The standard public ghost walk costs £16 per adult and runs 90 minutes through the compact city centre. Routes typically pass the Theatre Royal, where a grey lady has been documented since 1812, the Garrick's Head pub with its 18th-century hanging beam, and the alleyways behind Bath Abbey where medieval monks reported nocturnal apparitions. Paranormal exploration tours add electromagnetic field meters and spirit boxes, extending runtime to two hours and raising prices to £22–£28. The scented ghost walk introduces aromatherapy oils tied to historical plague remedies and embalming practices, blending dark comedy with sensory theatre for £20. Bath After Dark's immersive adventure diverges from walking tours entirely: participants solve cryptic puzzles across Georgian squares in a theatrical treasure hunt format, priced at £25 for 90 minutes. Evening departures align with the abbey's floodlit facade and the golden hour glow on Royal Crescent stonework. Most operators require arrival 15 minutes before tour start for ticket verification. The walking circuit covers under two kilometres on paved Georgian streets, accessible for moderate mobility levels. October bookings surge during half-term holidays; summer solstice walks sell out weeks ahead due to extended twilight. Winter tours pause between November and March when abbey precincts close earlier. Bath's compact UNESCO core means ghost walk routes overlap heavily — differentiation comes through theatrical style, comedic narration or investigative equipment rather than exclusive locations. The city's ghost tourism economy employs 18 licensed guides as of 2026, regulated by Bath Tourism Plus. Guides must complete heritage interpretation training and hold public liability insurance. Tour revenues contribute to abbey conservation funds through a voluntary levy system introduced in 2024. The model balances commercial ghost walks with scholarly rigour: several operators collaborate with University of Bath archaeologists to update scripts when excavation reveals new burial sites or structural history beneath Georgian streets.