General Condition

Mountainous areas of Bromo Tengger Semeru National Park was stated firstly as a national park based on a letter of Statement of The Agrarian Minister Number : 736 / Mentan / X / 1982 on the date of October 14 th 1982 on area of 58,000 ha.
After having applied a limitation order of the budgetary year of 1983 / 1984 until the budgetary year of 1995 / 1996 on the area, there issued the letter of designation for it as Taman National Bromo Tengger Semeru ( Bromo Tengger Semeru Park ) based on a letter of decision of the Agrarian Minister Number : 278 / KptsVI / 1997 on May 23 rd 1997 that included an area of 50,276.20 ha.

Potentials of is ecosystem or natural resources that ground
the designation of the area as a national park area :

1. Natural phenomena caused uniquely by or as volcanic activities of Mt.Tengger
have become 5 (five) mountains :
Mt. Bromo ( 2,392 m high asl.(above sea level ),
Mt. Batok (2,40 m asl. )
Mt. Widodaren ( 2,614 m asl. )
Mt. Watangan ( 2,601 m asl. ) and
Mt. Kursi ( 2,581 m asl ),
and a wide Laut Pasir ( Sand Sea ) caused by its eruption.
Besides Mount Semeru is the highest mountain in Java Island and it is now still an active volcano.

2. A scarce endemic flora of family Orchidaceeae has 40 scarceorchid types, 15 of which are endemic in East Java, and 3 of them are typical South Semeru, those are Malaxis purprreonervosa, Meleola wetteana, and Liparis rhodocila. Besides there are also Corybas fornicatus ( red pearl orchid ) and Mavodes petola which are protected by Laws.

3. Hydrological Potential as water resouce area for several important river bank areas ( DAS )
in East Java for example DAS Brantas.
This hydrological potential is very famous as life support system.