EntityQ1481220· pop 14· linked from 111 articlesMount ThielsenSign in to savemountainConnectionslavaEntityshield volcanoEntitymegaannumEntityvolcanoEntityOregonEntityTheodore RooseveltPersonWikimedia CommonsEntitygeographic coordinate systemEntityBritish ColumbiaEntityInternational Standard Book NumberEntityglacierEntitymallardEntitycougarEntitymountain rangeEntityPeregrine FalconEntityice ageEntityAbiesEntityerosionEntityAmerican black bearEntitygeologic time scaleEntityCategoriesCascade RangeCascade VolcanoesExtinct volcanoes of the United StatesFremont–Winema National ForestLandforms of Douglas County, OregonMountains of Douglas County, OregonMountains of Klamath County, OregonMountains of OregonPleistocene shield volcanoesPolygenetic shield volcanoesQuaternary OregonShield volcanoes of the United States