Halk Bahçesi has got an important role during the history of Çanakkale City and also an intense use for recreational requirements of the citizens. Because of these characteristics, quality criteria and ecological quality of the urban park were investigated. In this study firstly to determine of the ecological quality of Halk Bahçesi, plan of the site was digitized and permeable surface in the area was determined as a ratio of % 58, the ratio of the impermeable surface and permeable surface was 1:1,38. The second step of the ecological investigation in the area is to bring out of ecological requirements and dendrologic characteristics of the plants. For this purpose, descriptive statistics of plants characteristics were presented by using SPSS 15.0 Windows. According to this data, ornament qualities of the plants used in the area were observed to be insufficient; effective types with the flowers, leaves, stocks or fruits were used rarely. Therefore in the park area quantity of the plant types that have attractiveness with their ornament effect was observed rarely, maintenance and reparation works were determined as insufficient. In the study also the quality criteria of the area such as usage, accessibility, comfort and image, sociality were analyzed. According to this data, accessibility of the area was determined as sufficient; size of the area, capitation proportion of the area and the other criteria were determined as insufficient.