Mount Semeru is the highest mountain in Java island with its height 3.676 meters above sea level and it’s also the third highest volcano in Indonesia. Meanwhile, the peak of Semeru is called Mahemeru which is so popular mostly after a movie scene from Indonesian local film maker exploded the beauty of Mahemeru. Indeed, Semeru mountain has three beautiful lakes or it’s called Ranu. which are Ranu Pani, Ranu Regulo, Ranu Darungan, and Ranu Kumbolo. Thus, Semeru is perfectly beautiful with wild trees growing along like reeds, lavender, and edelweiss. Also, there are fauna lives in the mountain forests such as panthers, deer, antelope, civet, and more.