The tourism sector can help the country in introducing the culture of the nation in the ground water, as well as can help the communities around tourist areas in open field work. This study aims to measure the Willingness to Pay of visitors on the natural attractions Lake Ngebel in the effort to preserve nature and to determine the factors that influence Willingness to Pay. This research was conducted in the Town of Ponorogo precisely at the location of the nature tourism Lake Ngebel. The object of this research is the visitors of the natural attractions Lake Ngebel by the method of Contingen Valuation Method (CVM). The data used are secondary data and primary data. This study used a sample of 120 respondents was taken from the visitors tourist Lake Ngebel. The sample selection was done using random sampling. The total Willingness to Pay of the 120 respondents in the preservation of the natural attraction is the Rp1.135.000,00 with the average value of Rp9.458,33. The factors that have a significant and positive impact on the magnitude of the Willingness to Pay of visitors Lake Ngebel in the preservation of the natural attractions in the Town of Ponorogo namely the income, cost of recreation, and long education. While the frequency variabel is not significant positive effect.