STS068-262-33

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Spacecraft nadir point: 41.6° N, 122.1° W

Photo center point: 43.5° N, 121.5° W

Nadir to Photo Center: North

Spacecraft Altitude: 117 nautical miles (217km)
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Image Caption: 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; Center Sister; and South Sister, the youngest and highest at 10 358 feet (3158 meters). The last major eruption of South Sister occurred nearly 1900 years ago. Mount Bachelor, a famous skiing attraction south of South Sister, is a monogentic volcano 9060 feet (2764 meters) high. 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.