Ecotourism provides experiences about nature, history, and culture in an area. This chapter aims to provide an overview of using material and nonmaterial cultural diversity in the Batu Begalang Geosite to develop ecotourism in this region. Batu Begalang Geosite is in Kelubi Village, East Belitung Regency. Data collection was done by survey and interview techniques. Data analysis is done by processing the data using an ecotourism perspective to obtain the significance of cultural heritage and its utilization for the development of the Batu Begalang Geosite. Kelubi Village was founded by people from Kelekak Seruang in the southwest of Mount Bolong. In the past, this village was one of the timber-producing areas to support tin mining activities. The society of Kelubi Village has traditional knowledge that is acquired through generations. Today some knowledge is no longer practiced, but some members of society still remember the knowledge. Utilizing cultural remains can increase tourist attraction in the Batu Begalang Geosite area. As an attraction of special interest tourist activities, ecotourism Batu Begalang Geosite can provide adventure and learning oriented to unique experiences, authentic knowledge, and creativity to tourists visiting the destination.