Tham Khao Luang Cave is located in Phetchaburi, and is about a hundred years old. It was built at the foot of a small mountain with the same name. It is considered one of the most important caves in the city, as it is considered a haven for followers of the Buddhist religion to worship and meditate, and tourists can easily access it, either On foot or by car and get a tour inside the place and learn about its history.