Not to be confused with the Green River

Green River (Washington)

The Green River is a long river in the state of Washington in the United States, arising on the western slopes of the Cascade Mountains south of I-90....

 in King County, Washington

King County, Washington

King County is a county located in the U.S. state of Washington. The population in the 2010 census was 1,931,249. King is the most populous county in Washington, and the 14th most populous in the United States....

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The Green River is the largest tributary of the North Fork Toutle River

North Fork Toutle River

The North Fork Toutle River is a tributary of the Toutle River in the southwestern Washington in the United States. The river has its headwaters near Spirit Lake, on the north side of Mount St. Helens, and flows about to the Toutle River, upstream of its confluence with the Columbia River...

 in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Washington. Situated near Mount Saint Helens in the Cascade Range

Cascade Range

The Cascade Range is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, and the notable volcanoes known as the High Cascades...

 in the southern part of the state, it flows generally west through wild forested valleys for 37.4 miles (60.2 km). The river drains more than 130 mi2 in parts of three Washington counties.

Along with the Toutle system and the Cowlitz River

Cowlitz River

The Cowlitz River is a river in the state of Washington in the United States, a tributary of the Columbia River. Its tributaries drain a large region including the slopes of Mount Rainier, Mount Adams, and Mount St. Helens....

, the upper part of the Green was heavily affected by the 1980 eruption of Mount St. Helens

1980 eruption of Mount St. Helens

The 1980 eruption of Mount St. Helens, a stratovolcano located in Washington state, in the United States, was a major volcanic eruption. The eruption was the only significant one to occur in the contiguous 48 U.S. states since the 1915 eruption of Lassen Peak in California...

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Course

It rises from snowmelt on the opposite side of a ridge from Spirit Lake

Spirit Lake (Washington)

Spirit Lake is a lake north of Mount St. Helens in Washington State. The lake was a popular tourist destination for many years until the 1980 eruption of Mount St. Helens. With the eruption and resulting megatsunami, thousands of trees were torn from the surrounding hillside after lake water was...

, in the Gifford Pinchot National Forest

Gifford Pinchot National Forest

Gifford Pinchot National Forest is a U.S. National Forest located in southern Washington, USA. With an area of 1.37 million acres , it extends 116 km along the western slopes of Cascade Range from Mount Rainier National Park to the Columbia River. It includes the 110,000 acre Mount St....

 in Skamania County. The river initially flows north, but turns northwest after the confluence with Grizzly Creek. Turning west, it crosses into Lewis County, then back south into Skamania, and almost immediately afterwards flows into Cowlitz County. Shultz Creek enters from the left then Devils Creek from the right. The river empties into the North Fork Toutle River near the unincorporated community of Toutle

Toutle, Washington

Toutle is an unincorporated community in Cowlitz County, Washington, United States. Toutle is located approximately ten miles east on SR 504 from exit 49 of I-5. Toutle is not very far from the well-known Mount St. Helens...

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