| 中央右が最高地点（約855m）。中央やや左（雲の下）が丸山（665m）。右端のピークが岩部岳溶岩ドーム。北方（木古内町）より撮影。 |
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| View of Oshima Maru-yama from the N (town of Kikonai). Highest peak (855 m a.s.l.) in the middle, Maru-yama (665 m a.s.l.) just below the cloud and small peak of Iwabe-dake lava dome on the right. | R. Furukawa |