Mandai is a planning area located in the North Region of Singapore, famously known for being the access point for the Mandai Wildlife Reserve which includes the Singapore Zoo, Night Safari, River Wonders, and Bird Paradise. The Mandai Crematorium and Columbarium, the largest crematorium and columbarium in Singapore, is also located in Manda…Mandai is a planning area located in the North Region of Singapore, famously known for being the access point for the Mandai Wildlife Reserve which includes the Singapore Zoo, Night Safari, River Wonders, and Bird Paradise. The Mandai Crematorium and Columbarium, the largest crematorium and columbarium in Singapore, is also located in Mandai planning area. Other features include the Sembawang Hot Springs and Sembawang Golf Course. Mandai is split into three subzones for statistical and planning purposes; Mandai East and Mandai West, plus Mandai Estate.