Sundbyfoss
| Sundbyfoss | |
|---|---|
| Village | |
| View of the village in 2013 | |
| Coordinates: 59°30′43″N 10°07′32″E / 59.51188°N 10.12565°E | |
| Country | Norway | 
| Region | Eastern Norway | 
| County | Vestfold | 
| District | Jarlsberg | 
| Municipality | Holmestrand Municipality | 
| Area | |
|  • Total | 0.47 km2 (0.18 sq mi) | 
| Elevation | 80 m (260 ft) | 
| Population  (2024) | |
|  • Total | 562 | 
| • Density | 1,195/km2 (3,100/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Post Code | 3092 Sundbyfoss | 
Sundbyfoss is a village in Holmestrand Municipality in Vestfold county, Norway. The village is located along the lake Hillestadvannet, about 3 kilometres (1.9 mi) south of the village of Hof. The village of Gullhaug lies about 7 kilometres (4.3 mi) to the southeast and the town of Holmestrand lies about 10 kilometres (6.2 mi) to the southeast. The village of Hvittingfoss in Kongsberg Municipality lies about 8 kilometres (5.0 mi) to the west. Hillestad Church lies about 3 kilometres (1.9 mi) east of the village.
The 0.47-square-kilometre (120-acre) village has a population (2024) of 562 and a population density of 1,195 inhabitants per square kilometre (3,100/sq mi).
Sundbyfoss is named after the local waterfall on the river Sundbyelva. The waterfall provided the basis for early industry in the village. Today, Sundbyfoss is mainly a residential area. The largest industrial enterprise is the "Haslestad Bruk" sawmill. Historically, the old private Tønsberg–Eidsfoss railway line and Holmestrand–Vittingfoss railway line both went through Sundbyfoss.