| 1 | Sadong park | Park | Connected to surrounding mountains, mainly used as a hiking route, and previously served as a pathway for wildlife movement within the city center. But it is currently disrupted and in a poor condition. |
| 2 | Seongtae-mountain | Mountain | There are habitat for newts (amphibians), holding significant ecological importance. |
| 3 | Ansan Idong park | Park | The area is equipped with various sports facilities and also has other amenities and recreational facilities installed for the convenience of visitors. |
| 4 | Eoullim park | Park | It is primarily utilized by residents of Sadong as a walking and exercise space, and it is also a popular spot for dog walking, attracting many people. |
| 5 | Bugok mountain forest park | Tourism resources | The park offers various attractions, experiential activities, and a renowned children’s forest experience center. It is also known for its rich biodiversity with a wide variety of species. |
| 6 | Gwangdeok-mountain | Mountain | At the summit, there is a pavilion called “Palgakjeong” (an octagonal pavilion) constructed. Ansan City Public Cemetery is also located in the park. It is adjacent to Gwangdeok sports park. |
| 7 | Ansan central park | Park | It is a park where forest bathing is possible, and it attracts a large number of visitors due to its exercise facilities, amenities, and walking trails. |
| 8 | Wonpo park | Park | It serves as a buffer green space between the Banwol industrial complex and residential areas, and it holds high ecological value due to its function as a habitat for narrow-mouthed toad. |
| 9 | Banwolcheon stream | River·marsh | It has significant ecological value as a large-scale agricultural area for food production and as a habitat providing sanctuary for migratory birds. |
| 10 | Sihwa lake Ansan reed marsh | Park·marsh | It provides a resting place for urban residents and serves as an educational space through water purification, maintenance of biodiversity and the creation of a natural ecological park. |
| 11 | Hwajeongcheon | River | Nature-friendly ecological streams considering landscape, resident usage, and waterfront environments. |
| 12 | Ansancheon | River | Nature-friendly ecological streams considering landscape, resident usage, and waterfront environments. |
| 13 | Masan | Mountain | It is connected to hilly and mountainous areas, and although its cultural service function may be limited, it holds high ecological value due to its high biodiversity. |
| 14 | Hanyang University erica campus egret habitat | Mountain | White herons can be observed hatching and rearing their young from April to June. The presence of Sihwa lake and reed wetlands in the vicinity supports these migratory birds as a feeding and habitat area. |
| 15 | Seongho/Danwon sculpture park | Park | The park has many auxiliary facilities, allowing not only leisure activities for citizens but also ecological and historical educational activities. |
| 16 | Suri-mountain | Mountain | It is good at in its regulatory service function and provides opportunities for hiking and leisure activities as cultural services. It also serves as a supporting service to maintain genetic diversity. |
| 17 | Nojeokbong waterfall park | Park·mountain | With its various amenities and attractions, it is a highly utilized leisure space for citizens. It is well-known for its artificial waterfall and rose garden, among other features. |
| 18 | Hwarang amusement park | Park | The park has a large area and offers not only everyday leisure activities but also various festivals and cultural events. It is also a habitat for aquatic plants and has high ecological value as a destination for winter migratory birds. |
| 19 | Banwol park | Park | The park is located adjacent to residential areas, and it offers a wide range of facilities such as pavilions, making it popular among citizens. It is perceived as a nature-friendly park due to its environmentally friendly character. |
| 20 | Ansan lake park | Park | It is designed with consideration for the ecological environment, and the park is surrounded by Ansancheon and Hwajeongcheon, where the two rivers converge. Various types of organisms inhabit this area. |
| 21 | Chilbosan | Mountain | This mountain has dense vegetation, including pine trees, creating favorable conditions for plant growth. It is well-known for its orchid habitat, contributing to its high ecological value. |
| 22 | Geongeoncheon | Stream | A walking path is constructed from Geongancheon to Banwol reservoir, and there is a section where it meets Banwolcheon, occasionally used by residents. |
| 23 | Green area Jungang-Gojan station | Park | It is intended to serve as a green network connecting the central part of Ansan city. |
| 24 | Byeolmangseong fortress site | Heritage·green area | This place is one of the local attractions for family outings because of the beautiful historical scenery along the stone steps. |
| 25 | Observatory park | Park | It needs to be revitalized as a shelter and cultural space for workers at the Banwol Sihwa industrial complex. |