Lake Eacham
| Lake Eacham (Yidyam or Wiinggina) |
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View of Lake and Lake's edge from a Queensland National Parks viewing platform.
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| Location | Atherton Tableland, Queensland |
| Coordinates | 17°17′08″S 145°37′30″E / 17.2855°S 145.625°ECoordinates: 17°17′08″S 145°37′30″E / 17.2855°S 145.625°E |
| Type | Crater lake |
| Basin countries | Australia |
| Average depth | 65.5 m (215 ft) |
Lake Eacham: (originally Yidyam or Wiinggina) is a popular lake of volcanic origin on the Atherton Tableland of Queensland, Australia, within the World Heritage listed Wet Tropics of Queensland.
Lake Eacham (Yidyam) and the nearby Lake Barrine, were formed approximately 12,000 years ago by molten magma. Magma from the center of the earth rose to the surface and heated the water table. The steam that resulted from the boiling water was trapped underground, until massive explosions signalled its release. Huge cracks appeared in the ground and the trees that once lathed the mountainside were levelled and burnt. Eventually, over hundreds of years, water filled the craters and the trees grew back, creating the tranquil lake used today by families and tourists for recreation. There are no streams that flow into or out the lake, water is only lost through soakage and evaporation and only replenished through rainfall, the level can fluctuate up to 4 metres between wet and dry seasons.
The local Ngadjon -jii (Aboriginal peoples), name this lake Wiinggina and tell a parallel, matching story of the Lakes origins, as follows
"Two young fellas were trying to spear that wallaby. But they missed and hit a flame tree. That’s a sacred tree. The young fellas not supposed to be out hunting. They weren’t initiated. Their elders told them to stay put, not go out hunting. But they didn’t listen. When they pulled their spear out, part of a grub came out with the spear, which was a witchetty grub. They started cutting down that tree to get more grubs. When they cut down that tree, the ground began to shake. Those two fellas had made Yamini (rainbow serpent) angry. Then the sky turned orange, then all these people back at the camp, the earth went from underneath them, sucked them in, whoosh, they all got drowned. Where they were camped became Bana Wiingina (Lake Eacham)." (Warren Cannendo, Ngadjon-Jii)
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