The uniqueness of Mount Bromo is the shape of the body that is still connected between the valley and the canyon with a caldera or sea of sand covering an area of 10 km / square. Not only that, Mount Bromo has a crater with a diameter of about 800 km (from north to south) and about 600 km (from east to west). For areas that are considered dangerous, namely a circle with a radius of up to 4 km from the center of the crater.

During the 20th and 21st centuries it was recorded that Mount Bromo had erupted several times at fairly regular intervals of 30 years. For the largest eruption ever occurred in 1974 and the last eruption occurred in 2016.

For residents around Mount Bromo, the Tengger tribe, Mount Bromo or Mount Brahma are believed to be sacred mountains. Once a year the Tenggerese hold a Yadnya Kasada or Kasodo ceremony. This ceremony takes place in a temple which is under the foot of Mount Bromo and continues to the top of Bromo. The ceremony is held at midnight to early morning every full moon around the 14th or 15th of Kasodo (tenth) month according to the Javanese calendar.

Not only the beauty of the mountain, the moment "Golden Sunrise" is something that is most sought after by tourists. The sunrise at Mount Bromo is among the best so that many photographers and even people come there to capture the moment and enjoy the beauty of this unforgettable moment.