Mas River

The Kali Mas ("Golden river" in Javanese), is a distributary of the Brantas River in East Java, flowing north easterly towards the Madura Strait. This river also forms part of the border between the Sidoarjo and Gresik regencies.

Mas River

The Kali Mas ("Golden river" in Javanese), is a distributary of the Brantas River in East Java, flowing north easterly towards the Madura Strait. This river also forms part of the border between the Sidoarjo and Gresik regencies.