| GR 42 | |
|---|---|
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| Location | France |
| Designation | GR footpath |
| Trailheads | Beaucaire, Saint-Étienne |
| Use | Hiking |

The GR 42 is a long-distance walking route of the Grande Randonnée network in France. The route connects Beaucaire with Saint-Étienne.
Along the way, the route passes through:
44°39′49″N 4°43′47″E / 44.6637°N 4.7296°E