EntityQ8522190· pop 5· linked from 10 articlesIslay HillSign in to savemountain in California, United StatesConnectionsCaliforniaEntitymountainEntitygeographic coordinate systemEntityhillEntitymountain rangeEntitygeologic time scaleEntitysummitEntitySan Luis Obispo CountyEntitySan Luis ObispoEntityUnited States Geological SurveyEntitytopographic mapEntityMorro BayEntityUnited States Department of the InteriorEntityGeographic Names Information SystemEntityvolcanic plugEntityvolcanic coneEntitySierra ClubEntitylist of mountain typesEntitySanta Lucia RangeEntityMorro RockEntityCategoriesHills of CaliforniaLandforms of San Luis Obispo County, CaliforniaNine SistersSan Luis Obispo, CaliforniaVolcanic plugs of CaliforniaVolcanoes of California