Mount Bromo has a caldera of 10 kilometres and is surrounded by a vast plain called Laut Pasir or Sea of Sand. Visitors wishing to get to Bromo’s crater edge must first cross this rather intimidating grey landscape of fine, black volcanic sand.
This Sea of Sand is bordered by rugged, barren volcanic peaks which is a stark reminder that you are actually standing inside the caldera of an active volcano.
The whole site is promoted as an adventure destination, with dozens of Jeeps, motorbikes and horses available to transport you across to the base of the volcano.
However, not everything in this park is bleak and empty. Mount Bromo’s savanna area is quite beautiful, with some large areas of rolling slopes covered with lush, green grass fed by rivers from the mountains.