Situ LengkongPanjalu, located in Ciamis Regency, West Java Province, is a tourist area that has a unique forest structure pattern in the form of an island surrounded by a lake. The aim of this research is to determine the structural pattern and composition of tree species in the Situ LengkongPanjalu area. The method used is a grid line which is placed using Purposive Sampling based on the highest encounters. The research results found 10 tree species belonging to 8 families with a total of 149 individuals. The species that are important trees with the highest Important Index (INP) values are Dysoxilumdensiflorum (103.06%), Gordoniaexcelsa (83.45%), and Dysoxylumparasiticum (27.88%) as well as the species diversity index (H') in This area is included in the medium category (1.47).