PORTLAND, Ore. - Spirit Lake, located just north of Mount St. Helens, is at risk of overflowing after engineers found the lake's drainage tunnel is shrinking.

Mount St. Helens researchers are fighting a bill in Washington's Legislature that would allow limited rainbow trout fishing in Spirit Lake for the first time since the 1980 eruption.

A major ice lobe dammed the Columbia River in north-central Washington, forming Lake Columbia, whose waters eventually inundated Coeur d’Alene and Spokane and likely the Spirit Lake area.

However, few can hold a candle to Spirit Lake in Washington in terms of both beauty and history. Spirit Lake, which is about four hours south of Seattle, is located in quaint Skamania County and ...

The Spirit Lake Tunnel was built after the 1980 Mt. St. Helens eruption. Ash and debris blocked the lake's natural outlet into South Coldwater Creek. The lake level began to rise.

Workers began removing a bypass on Spirit Lake Memorial Highway to open flows from Coldwater Creek on Thursday, a critical step for maintaining water movement during harsh winter conditions.

A log raft ($>5.1\; km^2$) covering more than half the surface of Spirit Lake formed as a result of the eruption of Mount St. Helens in 1980. Since then, erect floating stumps have settled to the lake ...