HomeUSAOregonOregon VolcanoesThree Sisters WildernessSouth SisterOld Crater Route3rd4thtradalpineFA Don Woods, Cliff Stalsberg, and Ed Johnson, August 8, 1931 (first recorded)UPDATED BY vietnguyen Tick this climbDescriptionRoutes in South Sister1Old Crater Route3rdTrad · Alpine2North Ridge4thTrad · Alpine