Lava Flood ceremony is a special tradition of the people around Mount Merapi, particularly in responding to disasters lava. One of them can be seen in Hamlet Tambakan, Sindumartani Village, Cangkringan district, Sleman regency, as one of the villages that are often impassable lava disaster (cold or hot) from Mount Merapi.
The ceremony is a prayer of salvation and ask protection for the Court exists for all citizens to avoid the danger, accompanied by the laying offerings of young coconut in the river is expected to pass the lava. This is done when you see the signs of natural lava coming disaster which they had known were hereditary.
Residents who live on the banks of rivers that disgorge at Mount Merapi sometimes heard strange noises at night, like the jingle of golden sound passing train. It is said that a sign that the Kingdom of Merapi is sending a group in order to relieve themselves to wed one of his relatives with the inhabitants of the South Sea Kingdom.
This was interpreted as a mystical sign that will happen soon that will flood through the lava river, so for those who know will soon make security measures and rescue.
The purpose of the implementation of these safety procession is said to pray for the safety and abundance of good fortune to the Court exists and to give alms to the spirits of Merapi residents not to harm people, peaceful and free from harm, so as to create a harmony between human and natural environment.