| Mount Hiru | |
| Elevation M: | 1675 |
| Location: | Kanagawa, Japan |
| Range: | Tanzawa Mountains |
| Coordinates: | 35.4867°N 139.1389°W |
| First Ascent: | unknown |
Mount Hiru (蛭ヶ岳 Hiru-ga-take) is the tallest mountain of the Tanzawa Mountains with a height of 1675m (5,495feet).[1]