Historical Evidence: Wat Khao Rup Chang was built in 2244 with Wat Pho Prathap Chang in the reign of Phra Si Sanphet VIII or Tiger King of Ayutthaya by. The Chief who supervised the engineer forces to build Wat Pho Prathap Chang according to his wishes, came to meet the mountain where the top looks like an elephant. He saw that it was a suitable place to build a temple and a resting place on the high ground to inspect the terrain and take care of the safety of the troops When it was completed, it was named “Wat Khao Rup Chang” based on the stacked white stones in the shape of an elephant kneeling on the top of the mountain. There are construction characteristics, architecture, churches, viharn, Buddha images, pagodas and pagodas in the Ayutthaya period Later, around 2300 B.E., a chedi containing relics was built on the head of an elephant in the reign of King Rama III of Rattanakosin. Later, Prince Mongkut or the reign of King Rama IV, when he was still ordained as a monk having pilgrimage to Nakhon Sawan, Phichit, Phitsanulok, Sukhothai, Sawankhalok and Uttaradit, he stopped at Wat Khao Rup Chang to celebrate the viharn of Wat Khao Rup Chang on January 22–26, 1833. It can be counted that this temple Khao Rup Chang King of the land is the creator and the king of the country also came to attend the temple feast as well. Therefore, it is considered a tradition Close the gold and pay homage. Since then, the full moon has started for more than a hundred years in the next period Wat Khao Rup Chang has been developed to be more prosperous. The order as we know it starts from the reign of Phra Det Phra Khru Phiphat Thammakhun or Luang Por Tieng. Phrakhru Vivek Thammaphirom or Luang Phor Terem and continued to the present