Title Bar

Middle Sister, Oregon (10047 ft)

Middle and North Sisters from South Sister

Deschutes and Ochoco National Forests
Summitpost

References

  1. Thomas, Jeff, Oregon High: A Climbing Guide, Keep Climbing Press, 1991.
  2. USGS Volcanoes, Three Sisters: http://vulcan.wr.usgs.gov/Volcanoes/Sisters/