Can non-Muslims enter all these sites?

Yes, but you must remain in the designated 'tourist' areas of the mosque courtyards. Avoid entering the main prayer hall during the five daily prayers.

Yes. Much of the heritage at these sites is oral history regarding the Wali Sanga. Without a local guide, you will only see buildings, not the cultural context behind them.

Planning a Cultural Pilgrimage to Indonesia’s Islamic Heritage Sites

Focus your itinerary on the coastal regions of Central and East Java, which house the majority of the historic Wali Sanga sites. Dedicate 10 days to travel between Cirebon, Demak, Kudus, and Surabaya to experience the authentic blend of pre-Islamic Javanese architecture and Islamic traditions.

Map the Wali Sanga Route. The 'Nine Saints' (Wali Sanga) are the architects of Islam in Java. Plot your route from West to East: start in Cirebon, move to Demak and Kudus, and finish in Surabaya and Gresik. These cities hold the most significant heritage mosques and burial sites.
Coordinate with the Islamic Calendar. Avoid traveling during the final week of Ramadan or the three days of Eid al-Fitr, as public transport is overwhelmed and heritage sites may have restricted access. Aim for the months between the monsoon seasons (May to September).
Arrange Local Transport. Book a private driver for the Java cross-country portion. It allows you to stop at rural pesantren (Islamic boarding schools) and secondary historical sites that are inaccessible by train.
Prepare Modest Attire. You will be entering active, sacred spaces. Men should wear long trousers and shirts with sleeves; women must carry a headscarf and a sarong, even if you are already dressed modestly, as some sites have strict local dress codes for non-Muslim visitors.

Can non-Muslims enter all these sites?: Yes, but you must remain in the designated 'tourist' areas of the mosque courtyards. Avoid entering the main prayer hall during the five daily prayers.
Do I need a guide?: Yes. Much of the heritage at these sites is oral history regarding the Wali Sanga. Without a local guide, you will only see buildings, not the cultural context behind them.