EntityQ772492· pop 21· linked from 274 articlesMount JeffersonSign in to saveStratovolcano in the Cascade Range, Oregon, United StatesConnectionspyroxeneEntitymudflowEntitymountainEntityvolcanoEntityOregonEntityThomas JeffersonEntityIdahoEntitygeologyEntityphotographyEntityChiropteraEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityRed FoxEntityPortlandEntityPresident of the United StatesConceptNorthern RavenEntitymallardEntityU.S. stateEntitycougarEntitymountain rangeEntityCategoriesCascade RangeCascade VolcanoesHolocene stratovolcanoesLandforms of Jefferson County, OregonLandforms of Marion County, OregonMountains of Linn County, OregonMountains of OregonPleistocene stratovolcanoesQuaternary OregonStratovolcanoes of OregonSubduction volcanoesThree-thousanders of the United States