Lewis River
From Openwaterpedia
Lewis River is a tributary of the Columbia River and about 95 miles long in southwestern Washington in the United States. It drains part of the Cascade Range north of the Columbia River.
Open Water Swimming
Lewis 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.
