| Les Planches-en-Montagne | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Planches-en-Montagne (Les).svg |
| Coordinates: | 46.6553°N 6.0097°W |
| Insee: | 39424 |
| Postal Code: | 39150 |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Saint-Laurent-en-Grandvaux |
| Mayor: | Gérard Cart-Lamy[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 570 |
| Elevation Max M: | 1061 |
| Area Km2: | 13.48 |
Les Planches-en-Montagne (pronounced as /fr/) is a commune in the Jura department in Bourgogne-Franche-Comté in eastern France.[2] In 1973 it absorbed the former commune La Perrena.[3]