Mount Shindainichi (新大日) is a peak of the Tanzawa Mountains with an elevation of 1,340 metres (4,396 ft), and is located due east of Mount Tō. It is located within the boundary of the Tanzawa-Ōyama Quasi-National Park.

The mountain is easily accessible by a hiking trail from Yabitsu Pass, which intersects with the Nagaone Trail from the village of Kiyokawa, and with the trail leading directly to Mount Tō which is approximately a 40-minute hike.

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  Mount To, Mount Shindainichi and Mount Tanzawa from Mount Sannoto
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  Mount Shindainichi from Mount Gyoja
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  A hut on the top of Mount Shindainichi
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  Odawara City and Izu Peninsula from Mount Shindainichi