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SOUTH SISTER VOLCANO

Mountains and Summits


Pacific Ranges Cascade Range

South Sister Volcano

10,358 ft

South Sister Volcano is an impressive peak located in the Pacific Ranges mountain range of Oregon, USA. Standing tall at an elevation of 10,358 feet (3,157 meters), it is the third highest summit in Oregon. As part of the larger Three Sisters Volcanic Complex, South Sister is a stratovolcano that formed as a result of successive volcanic eruptions over thousands of years.

During the winter season, South Sister Volcano receives heavy snowfall due to its high elevation. The snowpack range can vary depending on the year and weather conditions, typically ranging from 10 to 20 feet (3 to 6 meters). This makes it a popular destination for winter mountaineering and backcountry skiing enthusiasts.

The mountain's runoff feeds into several creeks and rivers in the region, including the Deschutes River and the upper reaches of the Middle Fork Willamette River. These water sources contribute to the local ecosystem and provide vital resources for the surrounding communities.

The name "South Sister" refers to its location in relation to the nearby peaks of Middle Sister and North Sister. The Native American names for these mountains translate to "Faith", "Hope", and "Charity" respectively, reflecting their significance in local folklore. Many legends and stories surround South Sister, including tales of ancient volcanic activity and spiritual connections to the land. Its prominent profile and breathtaking beauty continue to inspire awe and admiration, attracting adventurers and nature enthusiasts from far and wide.


Outdoor Recreation

Campground Campsites Reservations Toilets Showers Elevation
Allingham 10 2,921 ft
Camp Sherman 20 2,934 ft
Fall River 12 4,268 ft
Three Creek Lake 13 6,538 ft
Soda Creek 10 5,441 ft
South Twin Lake 21 4,347 ft
Gorge 18 2,907 ft
Lava Lake 44 4,753 ft
Little Lava Lake 16 4,746 ft
Crane Prairie 147 4,454 ft
Gull Point 85 4,342 ft
North Twin Lake 20 4,349 ft
Pine Rest 8 2,904 ft
Pringle Falls 7 4,232 ft
Smiling River 47 2,921 ft
Cow Meadow 20 4,450 ft
Sheep Bridge 23 4,352 ft
Bull Bend 12 4,263 ft
Indian Ford 25 3,243 ft
Three Creek Meadow 20 6,352 ft
Ski Area Snowpack Air Temperature 5 Day Forecast
Mt. Bachelor 0" 53° 2.07"
Willamette Pass 22" 54° 1.77"
Hoodoo Ski Area 0" 69° 0"
River Run Streamflow Length Class

Regional Water Data

Gauge Streamflow Stage
Bull Creek Near Wilhoit
USGS 14198400
1 cfs 5.6 ft
Smith R Ab Smith R Res Nr Belknap Sprgs
USGS 14158790
212 cfs 6.7 ft
Mckenzie River Bl Payne Cr
USGS 14158740
337 cfs 2,094.4 ft
Smith River Abv Trail Brdg Resv Nr Belknap Springs
USGS 14158798
411 cfs 2,198.6 ft
Beaver Creek
USGS 14096850
76 cfs 2.5 ft
Mckenzie R Blw Trail Br Dam Nr Belknap Springs
USGS 14158850
1,340 cfs 7.1 ft
Warm Springs River Near Kahneeta Hot Springs
USGS 14097100
533 cfs 2.0 ft
Snotel Site Snowpack 24hr Change

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