Saint-Martin-Rivière |
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|
 The town hall of Saint-Martin-Rivière |
 Location of Saint-Martin-Rivière |
Show map of Hauts-de-France |
| Coordinates:50°02′39″N3°32′26″E / 50.0442°N 3.5406°E /50.0442; 3.5406 |
| Country | France |
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| Region | Hauts-de-France |
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| Department | Aisne |
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| Arrondissement | Vervins |
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| Canton | Guise |
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| Government |
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| • Mayor(2020–2026) | Étienne Plateau[1] |
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| 5.52 km2 (2.13 sq mi) |
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| Population | 118 |
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| • Density | 21.4/km2 (55.4/sq mi) |
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| Time zone | UTC+01:00 (CET) |
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| • Summer (DST) | UTC+02:00 (CEST) |
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| INSEE/Postal code | |
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| Elevation | 108–163 m (354–535 ft) (avg. 100 m or 330 ft) |
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| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. |