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Biosphere Reserve Information Overview

Three Sisters

Aerial view, the Three Sisters volcanoes in Oregon, from the south looking north. Left to right -- South Sister, Middle Sister, and North Sister. 
USGS Photo by Lyn Topinka, September 1985.

Location:    44N; 12150'W

Elevation:    600 - 3,407 m above sea level



  Contact address Ruby Seitz
McKenzie Ranger District
57600 McKenzie Highway
McKenzie Bridge Oregon
United States of America
  Telephone (1)(541) 822-3671 ext. 313
  Fax (1)(541) 822-7227

Text Box: Administrative authorities
Three Sisters Wilderness USDA, Forest Service
Major Ecosystem Type
Mixed mountain and highland systems
Year Designed




Related links...

Deschutes & Ochoco National Forests
Three Sisters Wilderness

North and Middle Sister from Eileen Lake. Photo by Kraig Lindelin.

Last updated: 09/12/2005

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