Wat Tham Khao Ngern was established in 1757, formerly known as Wat Tham Khao Aen. This temple used to be the residence for monks. There is Pra Pie, pilgrim, traveling in Tham Khao Ngern village. With faith, people in this village went to invite him to stay at this monk's residence. He persuaded the people of Ban Tham Khao to donate money in order to build an abode to use as accommodation for monks and the place for making merit. He also be an expert in herbal medicinal. He had lived in this abode for 41 years and then died in the year 1805.