Harriet Dam
This diversion dam on the Oak Grove Fork of the Clackamas River forms the 150-acre Lake Harriet. From here, water for power generation travels through six miles of pipeline, passing Frog Lake, the forebay of the Oak Grove Plant. PGE built a small campground at the head of Lake Harriet, which is operated by the U.S. Forest Service. The lake, which has cutthroat trout and large rainbow and brown trout, is accessible from the Highway 224 bridge over the Oak Grove Fork.
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