Mount Ijen is an area of exceptional biodiversity and a cauldron of volcanic activity. There you might see the sulfur plumes and the eye-spoiler turquoise-green crater lakes. Prima facie of unique from Ijen Cauldron apart at his panorama is seeing mining of traditional brimstone transported by shouldered a manpower.
A two hours drive tour via Banyuwangi through a mountainous part, peaceful villages with coffee, rubber and cocoa plantations along the road. Then continued trekking and climbing up the mountain to view Ijen crater from where these indigenous workers carrying sulfur rocks upward from the crater.