Saung Angklung Udjo an attractionand learning Sundanese culture. The concept mix of nature and culture together in his design. Indirectly aligned with the concept of sustainable design that can be seen from the order of the mass and shape of the building. Therefore, designing and building a mass order is expected to optimize the use of energy for the needs of the building and its users. It is very important in the achievement of social objectives, economic and environmentally in the context of sustainable site. Order the masses and building Saung Angklung Udjo will be analyzed with descriptive methods of data analysis done with the physical on the field. The results of this study are expected to be a reference to the application of the concept of sustainable site in order to design and mass of the building next to the construction and support the conservation of nature in the future.