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Bull Run Lake is located in the Mount Hood National Forest near Brightwood, Oregon. The lake, which has a surface area of approximately 6,600 acres, is the primary drinking water source for the city of Portland. The Bull Run Watershed, which includes the lake and surrounding area, was established in 1892 to provide clean water to the growing city. The lake is fed by snowpack from the surrounding mountains and has a controlled release system to maintain water levels. The watershed is managed by the Portland Water Bureau, and access to the lake is limited to approved activities and individuals. There are no agricultural uses in the area, and recreational activities are also limited to protect the water quality. The lake and surrounding area provide habitat for a variety of wildlife, including fish, amphibians, and mammals.
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Monte Cristo Natural Area Preserve