The Bangkok Horror Film Festival 2025 took place over three nights at the Old Man Sii Waterworks (former Makkasan Water Facility), transforming the historic urban space into a gathering ground for horror cinema lovers. The event featured a diverse lineup of international and Thai horror films, immersive exhibitions, cosplay, and interactive installations. As one of the city’s most visually striking cultural events this year, the festival highlighted Bangkok’s thriving alternative film scene.