Analisis Pola Persebaran dan Karakteristik Mata Air di Lereng Timur Gunungapi Merapi Kabupaten Klaten

East Slope of Merapi Volcano Klaten Regency in 3 sub-districts, namely Tulung, Polanharjo, and Karanganom sub-districts are 3 of 26 sub-districts in Klaten Regency. The sub-district area has springs that are one of the main water sources in this area. This research aims to: (1) determine the distribution pattern of srings in the East Slope of Merapi Volcano in Klaten Regency, and (2) analyze the characteristics of springs in the East Slope of Merapi Volcano in Klaten Regency. The method used in this research is a survey that is equipped with secondary data. Sample determination using two methods, namely saturated sampling method to determine the spreading pattern of springs, and disproportionate stratified random sampling method for the characteristics of springs. The result of this research showed that: (1) the pattern of spreading springs in the East Slope of Merapi Volcano in Klaten Regency according to the analysis of the nearest neighbors formed a clustered pattern with the nearest parameter (nearest neighbour statistic) value of 0,367, and (2) the characteristics of the springs as a whole are caused by gravity power with a discharge ranging from class III - V (100 liters/second – 1000 liters/ second until 1 – 10 liter/second), and class VIII (