To establish geological parks and to survey and assess the geological heritages is a new way to protect them. This paper, based on a detailed survey of geological heritages in Xinglong county and a classification, studies the features and genesis of geological heritages such as Wulingshan magma, karst, benthal black chimney. By means of the nearest point index, the spatial distribution of geological heritages has been analyzed, indicating a clustering. This paper assesses the values of geological heritages from scientific research, education, environmental protection and tourism, discusses the existing issues and presents approaches.