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Icalma Lake facts for kids

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Icalma Lake
Lago Icalma.jpg
Location of lake in Chile
Location of lake in Chile
Icalma Lake
Location in Chile
Coordinates 38°48′S 71°17′W / 38.800°S 71.283°W / -38.800; -71.283
Primary inflows Huillinco and Icalma rivers
Primary outflows Rukanuco River
Catchment area 150 km2 (58 sq mi)
Basin countries Chile
Max. length 9 kilometres (5.6 mi)
Max. width 2.5 kilometres (1.6 mi)
Surface area 9.8 square kilometres (2,400 acres)
Average depth 66 m (217 ft)
Max. depth 135 m (443 ft)
Water volume .6 cubic kilometres (490,000 acre⋅ft)
Surface elevation 1,150 m (3,770 ft)

Icalma Lake is a beautiful lake found in the Andes mountains of Chile. It was formed by glaciers long ago. You can find it in the La Araucanía Region.

Near the lake, there's a small village also called Icalma. About 3 kilometres (1.9 mi) from the village is a mountain pass, which is like a path through the mountains. This pass is called Icalma Pass and it sits on the border with Argentina. It's 1,307 metres (4,288 ft) high! A road goes through this pass, but it can be hard to use in winter because of heavy snow. There's also a small airport nearby, about 9 kilometres (5.6 mi) northeast of the village.

Icalma Lake is connected to a smaller lake called Laguna Chica de Icalma. They are linked by a short stream, only about 300 metres (980 ft) long. Together, these two lakes cover an area of 11.7 square kilometres (2,900 acres). Water flows out of Icalma Lake through a 10 kilometres (6.2 mi) long river called Rukanuco. Icalma Lake and another nearby lake, Galletué Lake, are actually where the big Bio Bio River begins!

Laguna Icalma
The outlet from Lake Icalma, one of the two sources of the Bio Bio River.

Animals and Plants of Icalma Lake

Fish in the Lake

The most common fish you'll find in Icalma Lake is the brown trout. There are also rainbow trout living here. It's interesting to know that neither of these fish types are originally from Chile. They were brought here from other places.

Forests Around the Lake

The lake and the village are part of a special forest area called the Valdivian Temperate Rain Forest. This forest is known for its unique trees. The most famous tree here is the monkey-puzzle tree, which locals call "pehuen." It's a very distinctive and ancient-looking tree!

Climate Around Icalma Lake

The weather around Icalma Lake is known as an oceanic climate. This means it has mild summers and cool, humid winters.

Climate data for Icalma
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean daily maximum °C (°F) 24.3
(75.7)
23.9
(75.0)
21.3
(70.3)
16.9
(62.4)
11.4
(52.5)
6.7
(44.1)
6.6
(43.9)
8.7
(47.7)
12.5
(54.5)
16.6
(61.9)
19.5
(67.1)
21.8
(71.2)
16.0
(60.8)
Daily mean °C (°F) 14.6
(58.3)
14.1
(57.4)
12.0
(53.6)
8.6
(47.5)
5.7
(42.3)
3.6
(38.5)
3.8
(38.8)
4.5
(40.1)
6.1
(43.0)
8.5
(47.3)
11.0
(51.8)
13.0
(55.4)
8.8
(47.8)
Mean daily minimum °C (°F) 5.0
(41.0)
4.3
(39.7)
2.8
(37.0)
0.4
(32.7)
0.1
(32.2)
0.4
(32.7)
1.0
(33.8)
0.4
(32.7)
−0.2
(31.6)
0.5
(32.9)
2.5
(36.5)
4.3
(39.7)
1.6
(34.9)
Average precipitation mm (inches) 28
(1.1)
34
(1.3)
64
(2.5)
87
(3.4)
200
(7.9)
231
(9.1)
218
(8.6)
162
(6.4)
99
(3.9)
56
(2.2)
61
(2.4)
44
(1.7)
1,284
(50.6)

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