The Bukit Brown area is about 233 hectares in extent, bordered by Lornie Road, Lower Thomson Road and the Pan-Island Expressway. It lies just to the south of the Central Catchment Forest, being separated from it by Lornie Road and includes one of Singapore's oldest Chinese cemetery. With 100,000 graves, Bukit Brown is also one of the largest Chinese cemeteries outside of China.
The area is generally undulating, consisting of hillocks and small valleys.
Bukit Brown Cemetery provides key ecosystem services such as carbon sequestration, flood prevention, natural air-conditioning and a habitat for threatened species, just to name a few. The woodland there has now become more mature and the birdlife has increased to 90 species, amounting to 25% of total bird species in Singapore, of which 13 are listed in the Singapore Red Data Book as nationally threatened. As a nature area, this site has a 4-star rating. It is unique in being rich in both natural and cultural heritage.