Cikakak village, Wangon sub-district, Banyumas.
Built in 1288 by Kyai Mustolih, Masjid Saka Tunggal Baitussalam is the oldest mosque in Indonesia. It’s one of Banyumas heritage sites as well. Saka Tunggal means single pillar. The single pillar in the middle of this mosque represents one God.
Entrance fee: IDR 5,000. If the the officer is in good mood, he may give you some peanuts to give to the monkeys.