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Location: Klamath County, Oregon

Nearly 30 miles long and up to eight miles wide, Upper Klamath Lake is the largest freshwater body west of the Rockies. It has a surface area of 91,000 acres and 98 miles of shoreline. Recreation facilities are managed for Reclamation by the U. S. Fish and Wildlife Service.[1]
Upper Klamath Lake is most famous for its Blue-Green Algae (Aphanizomenon flos-aquae)[2][3] which is often referred to as “Nature’s Perfect Superfood.”
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The freshwater Klamath Blue Green Algae AFA grows naturally in Upper Klamath Lake in late summer and early fall in quantities sufficient to allow commercial harvesting. |
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