• The Three Sisters are closely spaced volcanic peaks in the U.S. state of Oregon. They are part of the Cascade Volcanic Arc...
  • Snowmobiling Trails in Three Sisters offer an extraordinary experience in the captivating winter wonderland of Three Sisters, Oregon.
  • Three Sisters is a potentially active volcanic center that lies close to rapidly growing communities and resort areas in Central Oregon.
  • Select a three sisters mountains image to download for free. ... Free Oregon Three Sisters photo and picture.
  • The Three Sisters Mountains, a majestic trio of volcanic peaks, stand proudly in Oregon’s Cascade Range.
  • Catching a glimpse of the Three Sisters can happen any time of day from locations around Central Oregon, though not all viewpoints are created equal.
  • Photo courtesy of the Oregon State Highway Department. More Images of Three Sisters. March 30, 2004. Uplifting is still ongoing at South Sister.
  • Location and Information. Three Sisters Oregon are a trio of mountains located about 25 miles west of Bend in the Deschutes National Forest.
  • The three sisters wilderness is a wilderness area in the cascade range, within the willamette and deschutes national forests in oregon, united states.
  • A trio of volcanic peaks, each rising more than 10,000 feet.Part of the Cascade Volcanic Arc and the Cascade Range located in the Three Sisters.