Any visa required for indonesia to travel a day trip to hong kong to china

Hi, you can enjoy free entry to HK for a stay of not more than 30 days, so no need to apply for a HK visa for that. If you go to mainland China for sightseeing purpose and you want to apply for a tourist L type, you should prepare your passport and copy of its data page, the application form, a passport-style photo, round trip air tickets and hotel reservation and other documents.