Three Sisters to Diamond Peak, Oregon, October 1994.
-- NASA Photo, courtesy "NASA Earth From Space" Website; Modified with text by USGS/CVO. STS068-262-033 Central Oregon Cascades and Three Sisters Peaks, Oregon, U.S.A. October 1994. Visible in this low-oblique, north-looking photograph are the snowcapped peaks of the Three Sisters Volcanoes—North Sister, the oldest of the three, a stratovolcano 5 miles (8 kilometers) wide; Middle Sister; and South Sister, the youngest and highest at 10,358 feet (3158 meters). Numerous lakes are apparent north to south—Lake Cultus, Crane Prairie Lake, Waldo Lake, Wickiup Reservoir, Davis Lake, Odell Lake, and Crescent Lake. West of Odell Lake and Crescent Lake is Diamond Peak, a shield volcano probably less than a 100,000 years old and the dominant landform in this region. Heavily forested Willamette National Forest and the clear-cutting patterns of lumber companies east of the lakes in the Deschutes National Forest are discernible. |
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