| 地質陰影図。日光白根火山（下）と鬼怒沼火山（右上）。日光白根火山は厚い溶岩流地形が顕著。 |
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| 地質図：山元孝広ほか（2000）20万分の1地質図幅「日光」、地質調査所。 | |||
Topographic relief of Nikko Shirane (south) and Kinunuma (northeast) volcanoes combined with geological map. Thick lava flow morphology characterizes the Nikko Shirane Volcano. |