Health certificate Before visit Ijen 

When I was at the Ijen crater, I noticed that some people faced difficulties meeting the requirements for hiking at the crater.

A health certificate is crucial for those who want to hike at the Ijen crater, so make sure you have a health certificate from a local health center - or from elsewhere such as a hospital or clinic. You can easily obtain this certificate; there are many places to get it for a low cost, around 30,000 to 50,000 Indonesian Rupiah. Another option is to ask for information from hotels near the Ijen crater in Banyuwangi or from your travel agen.