Kachess River

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The Kachess River is a mountain river in Kittitas County, Washington state.

It rises according to the USGS to around 1450 m above sea level on the south side of Chikamin Ridge (some sources see the origin of the river in the nearby mountain lake Three Queens Lake ). Once the stream reaches the valley he takes on the outflow of the Three Sisters Lake. After the confluence with Mineral Creek - its main tributary - the Kachess River turns south. After 6.3 kilometers, flows into the river in the Kachess Lake, an enlarged by a dam natural lake.

Shortly after leaving the lake opens the Kachess River into Lake Easton, a small reservoir of the Yakima River. The Kachess River has a catchment area of 167 square kilometers and is 8.4 km ( with the carrying Lake 25.8 km ) long. He belongs to the catchment area of the Columbia River.