Mount Semeru (East Java) is the highest volcano in Java, with its peak Mahameru, 3676 meters above sea level (masl). The crater at the summit of Mount Semeru Saloko Jonggring known.
Semeru has Dipterokarp forest hill, forest Dipterokarp Upper Montane Forest, and Forest Ericaceous or mountain forest.
The position of this mountain is located between the administrative area of Malang Regency and Lumajang, with geographical position between 8 ° 06 'latitude and 120 ° 55' longitude.
In 1913 and 1946 Crater Jonggring Saloka have dome with a height of 3744.8 M until the end of November 1973. On the south, the dome was broken edge of the crater caused lava flow toward the south side of the covering area and Candipuro Pronojiwo in Lumajang.
It takes about four days to climb the peak of Mount Semeru commute. To climb the mountain semeru can be reached via the town of Malang or Lumajang. From the city terminal unfortunate we ride public transportation to rural Tumpang. Connected again with a jeep or truck vegetables are widely available in the back of the terminal market with cost per person Tumpang 20.000, - until the Postal Ranu Pani.
Previously, we stopped at Gubugklakah to obtain permits, with details, license fees Rp.6.000, - to a maximum of 10 people, park entrance tickets Rp.2.000, - per person, per person Rp.2.000 Insurance,
Using a vegetable truck or jeep journey starts from Tumpang to Ranu Pani, the last village at the foot semeru. Here there are checkpoints, there are also stalls and cottages. For climbers who brought the tent fee of Rp 20,000, and if carrying a camera -/tenda also subject to a fee of Rp 5000, -/buah. In this post we could find any porters (local residents to help indicate the direction of climbing, lifting and cooking). Climbers can also stay overnight in custody Pos. In Pos Ranu Pani also there are two lakes namely Lake Ranu Pani (1 ha) and Ranu Regulo lake (0.75 ha). Located at an altitude of 2200 masl.
Having arrived at the gate "welcome", note continue to the left toward the hill, do not follow the broad road to the gardens of the population. In addition to the usual route bypassed the climbers, there is also a commonly used shortcut local hikers, this path is very steep.
Initial path sloping down the hillside vegetation dominated by reeds. There are no signs pointing toward the street, but there are signs at every 100m distance measure. There are many fallen trees and branches above the head.
After walking about 5 km down a hillside overgrown with Edelweis, and will arrive at Rejeng Watu. Here there is a very beautiful steep rock. Very beautiful scenery to the valley and hills, which is overgrown with fir and pine forest. Sometimes smoke can be seen from the top semeru. To reach Ranu Kumbolo still have to travel a distance of about 4.5 km.
Ranu Kumbolo
In Ranu Kumbolo can set up a tent. There is also a hikers hut (shelter). There is a lake with water that is clean and has beautiful scenery, especially in the morning can see the sunrise on the sidelines of hill. There are many fish, sometimes wild grouse. Ranu Kumbolo located at an altitude of 2400 m with an area of 14 ha.
From Ranu Kumbolo should prepare as much water as possible. Leaving Ranu Kumbolo then climbing a steep hill, with beautiful views towards the lake behind. In front of the hill lies a vast prairie called the oro-oro Ombo. Oro-oro Ombo surrounded by hills and mountains with beautiful views, wide meadows with pine-covered slopes as in Europe. From behind the Gn. Kepolo peaks of Mt. Semeru belching smoke wedus trash.
Further into the forest Pines where sometimes birds and deer. This area is called Cemoro Cage.
Postage Kalimati located at an altitude 2700 m, here can pitch a tent to rest. The headings in the form of broad meadow on the edge of pine forest, so a lot of available twigs to a bonfire.
There is a spring water source Mani, to the west (right) tracing Kalimati forest edge with a distance of one-hour commute. In Kalimati and in Arcopodo numerous mountain rats.
To reach Arcopodo turn left (East) runs approximately 500 meters, then turn right (south) down the little meadow Kalimati. Arcopodo Kalimati is one hour from pine forest through a very steep, with a simple soil erosion and dust. We can also camp in Arcopodo, but less stable soil conditions and frequent landslides. We recommend that you use the goggles and masks because a lot of fly ash. Arcopodo located at an altitude of 2.900m, Arcopodo is the last area of vegetation on Mount Semeru, the rest will pass through the sand dunes.
Arcopodo to the summit of Semeru takes 3-4 hours, passing through a very steep hill of sand and easy to slump. As a travel guide, at this point there are also several small red triangular flag. All luggage is better to live in Arcopodo or in Kalimati. Climbing to the summit conducted early this morning at around 2:00 AM from Arcopodo.
At noon the wind cendurung north toward the summit carrying a toxic gas from the crater Jonggring Saloka.
Climbing should be done during the dry season months of June, in July, August, and September. Should not be climbing during the rainy season due to frequent storms and landslides.
At the peak of Mount Semeru (Peak Mahameru) climbers are advised to not go Jonggring Saloko crater, also banned from climbing the south side, because of the poisonous gas and lava flows. This poisonous gas known as trash Wedhus (Java language which means "a wild goat") by local residents. Mahameru dipuncak temperature range 40-10 degrees Celsius, at the peak of the dry season minus 0 degrees Celsius, and ice crystals found. The weather is often foggy, especially at lunch, afternoon and evening. The wind was blowing hard, in December-January is often a storm.
Wedus eruption trash every 15-30 minutes on the summit of Mount Semeru are still active. In November 1997 Mount Semeru erupts as much as 2990 times. At noon the wind direction to the summit, is to avoid coming during the day at the peak, because the poisonous gas and lead to a summit eruption.
The eruption of the white smoke, gray to black in the high eruption 300-800 meters. Material that comes out at every eruption of ash, sand, gravel, stones and even heat on the very dangerous if the climber is too close. At the beginning of the year 1994 hot lava streaming down the southern slope of Mount Semeru and have eaten a few casualties, although the views of the river meandering heat into the sea has become a very interesting spectacle.

Soe Hok Gie, one of the activists and students of the Faculty of Letters Indonesia University of Indonesia, died on Mount Semeru in 1969 due to toxic smoke inhalation at Mount Semeru. He died along with fellow

The legend of Mount Semeru
According to the Java community trust which was written in ancient books Tantu Performances from the 15th century, the island of Java at some time floating in the ocean, the waves pushed around here and there. The gods decided to tack Java island by way of Mount Meru in India move to the top of Java.
According to the Balinese people is believed to be Mr Mahameru Mount Gunung Agung on Bali and respected by the people of Bali. Ceremonial offerings to the gods of Mount Mahameru done by the people of Bali. No matter how the ceremony is only done once every 8-12 years at the time people just accept the mysterious sound of the gods of Mount Mahameru. In addition to the Balinese ritual offerings often come into the area to get Tirta Cave Widodaren sacred.