Mount Arjuno-Welirang lies about 50 kilometers (31 mi) south of Surabaya, and 20 kilometers (12 mi) north of Malang. It is a twin volcano, with the 'twins' being Arjuno and Welirang.
Mount Arjuno-Welirang is situated approximately 50 kilometers (31 mi) south of Surabaya, and about 20 kilometers (12 mi) north of Malang. It consists of a pair of volcanoes, with the two 'sisters' being Arjuno and Welirang.