Deonar is a neighbourhood in the eastern suburb of Mumbai, India. It has gained prominence for being the location of the largest dumping ground in Mumbai and also the location of city's largest abattoir, Deonar Municipal Abattoir
India's largest abattoir is located in Deonar. It also has institutes like the Tata Insititute of Social Sciences (TISS) and International Institute of Population Sciences here. The other landmark here is the BSNL Telecom Factory.
Deonar is mostly residential and has several government staff colonies like Teachers Colony (for Municipal school teachers).
The main public modes of transportation are autorickshaws, taxi and BEST bus. Deonar has a BEST bus depot . The closest railway station is Govandi Railway Station , and it is situated near areas like Chembur, connected via P L Lokhande Marg, and Vashi.
The location of the abbatoir, landfills along with the close proximity to industries like BPCL and HPCL has led to raising of several environment concerns in Deonar.