Cowlitz River
From Openwaterpedia
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.
Open Water Swimming
Cowlitz River is part of the Mount St Helens Classic, a 4-day 4-lake 58 km stage swim held in Mayfield Lake, Riffe Lake, Lake Merwin, and Yale Lake that surround the Mount St Helens Volcanic Monument within the Gifford Pinchot National Forest in the state of Washington. The 12.5-mile course in Riffe Lake and the 6.2-mile course in Mayfield Lake are north of Mt. St Helens on the Cowlitz River. The 7.4-mile course in Yale Lake and the 10-mile course in Lake Merwin are south of Mt. St Helens on the Lewis River.
