35°24′31″N 139°53′54″E / 35.40861°N 139.89833°E
| Obitsu River | |
|---|---|
 | |
 | |
| Native name | 小櫃川 (Japanese) |
| Location | |
| Country | Japan |
| Physical characteristics | |
| Source | |
| • location | Mount Motokiyosumi (元清澄山, Motokiyosumi-san), Kimitsu, Chiba Prefecture |
| Mouth | |
• location | Tokyo Bay, Kisarazu, Chiba Prefecture |
• elevation | 0 m (0 ft) |
| Length | 88 km (55 mi) |
| Basin size | 273.2 km2 (105.5 sq mi) |
The Obitsu River (小櫃川, Obitsu-gawa) is a river in Kimitsu, Kisarazu, and Sodegaura, Chiba Prefecture, Japan. The river is 88 kilometers (55 mi) in length and has a drainage area of 273.2 square kilometers (105.5 sq mi).