Smoking Ijen, below Gunung Ijen-Merapi, as seen from the south, on a Jakarta-Bali flight (Wolfgang Piecha, June 2011)
Taken exactly above Ijen, with the very flat and sandy calderas of Ijen-Merapi (right) (Wolfgang Piecha, June 2011)
Ijen sulphur collections (Daniel Quinn, July 2010)
Gunung Raung from the path to Kawah Ijen (Daniel Quinn, July 2010)
A closer look at Raung (Daniel Quinn, July 2010)
Raung and sulphur (Daniel Quinn, July 2010)
The path to Ijen crater (Daniel Quinn, July 2010)
Tourists at the edge of Kawah Ijen (Daniel Quinn, July 2010)
Kawah Ijen (Daniel Quinn, July 2010)
Raung and Ijen from the start of the faint trail to Ijen-Merapi (Daniel Quinn, July 2010)
The cliffs of Ijen-Merapi (Daniel Quinn, July 2010)
Raung and Ijen (Daniel Quinn, July 2010)
Kawah Ijen from the trail to Merapi (Daniel Quinn, July 2010)
The first sandy crater of Ijen-Merapi (Daniel Quinn, July 2010)
A 'puncak' sign at the easily accessible Ijen-Merapi top - not the highest point! (Daniel Quinn, July 2010)
The true summit of Ijen-Merapi on the far side of the crater - dense vegetation! (Daniel Quinn, July 2010)
In the sandy crater of Ijen-Merapi (Daniel Quinn, July 2010)
Dense vegetation on Ijen-Merapi - machetes needed here! (Daniel Quinn, July 2010)
Ijen-Merapi - another look at the summit bump (Daniel Quinn, July 2010)
Ijen-Merapi craters (Daniel Quinn, July 2010)
Heading back down to Kawah Ijen (Daniel Quinn, July 2010)
Ijen-Merapi cliffs (Daniel Quinn, July 2010)
Merapi cliffs from Kawah Ijen (Daniel Quinn, July 2010)
Ijen sulphur workers (Daniel Quinn, July 2010)
Merapi from Ijen (Daniel Quinn, July 2010)
Bali from Ijen-Merapi (Wolfgang Piecha, July 2006)
Near the top of Ijen-Merapi (Wolfgang Piecha, July 2006)
Looking back down to Ijen (Wolfgang Piecha, July 2006)
Ijen sulphur collections (Wolfgang Piecha, July 2006)
Ijen (Wolfgang Piecha, October 2008)
From the coffee plantation on Ijen Plateau (Wolfgang Piecha, October 2008)
Ijen Merapi sunrise (Heinz von Holzen, September 2009)
Ijen Merapi as seen from Bali-Java ferry (Heinz von Holzen, September 2009)
Ijen sulphur worker (Heinz von Holzen, September 2009)
Ijen sulphur processing (Heinz von Holzen, September 2009)
Path to Ijen Merapi (Heinz von Holzen, September 2009)
Steep vague path up Ijen-Merapi (Heinz von Holzen, September 2009)
Ijen Merapi campsite (Heinz von Holzen, September 2009)
70kg of Ijen sulphur (Heinz von Holzen, September 2009)
Ijen Merapi (Heinz von Holzen, September 2009)
Ijen sulphur collection (Heinz von Holzen, September 2009)
The rim of Kawah Ijen (Barry Claasen, October 2009)
Ijen sulphur lake (Barry Claasen, October 2009)
On the way to the rim of Ijen (Barry Claasen, October 2009)
Kawah Ijen - on the way to the rim (Barry Claasen, October 2009)
Kawah Ijen - the rim (Barry Claasen, October 2009)
Ijen - the sulphur lake (Barry Claasen, October 2009)
Ijen - just before the crater edge (Barry Claasen, October 2009)
Ijen rim (Barry Claasen, October 2009)
Sulphur collected from Ijen (Barry Claasen, October 2009)
Ijen sulphur collectors (Tim Hannigan, December 2009)
Gunung Raung in the background (Java Lava, July 2006)
Ijen Merapi - Pushing through the thorns halfway up (Java Lava, July 2006)
Ijen Merapi craters (Java Lava, July 2006)
Ijen Merapi - horseshoe crater (Java Lava, July 2006)
Ijen Merapi - Bali from the crater rim (Java Lava, July 2006)
A morning glimpse of Kawah Ijen (Java Lava, July 2006)
View of Gunung Merapi and the crater lake of Kawah Ijen (Georg Friedrich Johannes Bley, 1910-1926) Courtesy TropenMuseum Archives
View of Gunung Merapi and the crater lake of Kawah Ijen (Georg Friedrich Johannes Bley, 1900-1940) Courtesy TropenMuseum Archives
View of Kawah Ijen (unknown photographer, 1890-1913) Courtesy TropenMuseum Archives
View of Kawah Ijen (unknown photographer, 1890-1917) Courtesy TropenMuseum Archives
View of Kawah Ijen (Georg Friedrich Johannes Bley, 1900-1926) Courtesy TropenMuseum Archives
View of Kawah Ijen (Georg Friedrich Johannes Bley, 1900-1940) Courtesy TropenMuseum Archives
At Kawah Ijen (unknown photographer, 1914) Courtesy TropenMuseum Archives
Kawah Ijen (unknown photographer, 1915-1916) Courtesy TropenMuseum Archives
Kawah Ijen (unknown photographer, 1919-1938) Courtesy TropenMuseum Archives
Kawah Ijen (Thilly Weissenborn, 1920-1940) Courtesy TropenMuseum Archives
Kawah Ijen (unknown photographer, 1927-1929) Courtesy TropenMuseum Archives
The summit of Gunung Merapi, seen here in an aerial view from the NW, is truncated by a flat-floored crater that contains an arcuate forested rim of a secondary pyroclastic cone. Gunung Merapi, constructed on the eastern rim of Ijen caldera, is the volcano's highest peak. Photo published in Taverne, 1926 "Vulkaanstudien op Java," (courtesy of Volcanological Survey of Indonesia).
