Lake Kumbolo
Ranu Kumbolo (Javanese) Danau Kumbolo (Indonesian)
A view of Ranu Kumbolo
Lake Kumbolo
Location	Bromo Tengger Semeru National Park, East Java, Indonesia
Coordinates	8°03′S 112°55′E / 8.050°S 112.917°E / -8.050; 112.917
Type	Volcanic
Primary inflows	Precipitation only
Surface area	15 ha (37 acres)
Surface elevation	2,400 m (7,900 ft)
References	[1]

Ranu Kumbolo (Indonesian: Danau Kumbolo) is a mountainous lake located in Bromo Tengger Semeru National Park, East Java, Indonesia. The lake is part of the easiest route from Ranu Pani to Mount Semeru Peak.

There are hiking camp areas around the lake. Ranu Kumbolo is part of the easiest route from Ranu Pani to Mahameru Peak.

• 
  Camping area
• 
  Dutchmen near the lake (c. 1916)
• 
  Ranu Kumbolo circa 1913