Ponthoux
| Ponthoux | |
|---|---|
| Part of Lavans-lès-Saint-Claude  | |
| Town hall | |
| Location of Ponthoux | |
| Coordinates: 46°23′46″N 5°48′42″E / 46.3961°N 5.8117°E | |
| Country | France | 
| Region | Bourgogne-Franche-Comté | 
| Department | Jura | 
| Arrondissement | Saint-Claude | 
| Canton | Saint-Lupicin | 
| Commune | Lavans-lès-Saint-Claude | 
| Area 1 | 2.18 km2 (0.84 sq mi) | 
| Population  (2022) | 83 | 
| • Density | 38/km2 (99/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal code | 39170 | 
| Elevation | 420–890 m (1,380–2,920 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Ponthoux (French pronunciation: [pɔ̃tu]) is a former commune in the Jura department in Bourgogne-Franche-Comté in eastern France. On 1 January 2016, it was merged into the commune of Lavans-lès-Saint-Claude.