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Allier — road climbs measured by LiDAR
All 21 published climbs in Allier, ranked by their steepest 25 m and measured on IGN’s LiDAR HD 0.5 m laser surveys. Pages listed but not ranked follow the ranked rows, unnumbered.
Surface: · Caveated rows: (ranks stay the true ranks) · every published row is listed here — the toggles filter this page without hiding anything from the links above.
| # | Climb | Department | Max 25 m | Length | Net rise | Overall | Surface | Evidence |
|---|---|---|---|---|---|---|---|---|
| 1 | Impasse de Vernin | Allier | ≈caveated25.4% | 1421 m | 122 m | 8.6% | Paved | Good |
| 2 | Chemin de Carrier | Allier | ≈caveated22.6% | 1649 m | 154 m | 9.4% | Paved | Good |
| 3 | Chemin des Penderies | Allier | ≈caveated22.5% | 1502 m | 98 m | 6.5% | Mixed surface | Good |
| 4 | Chemin de la Motte | Allier | ≈caveated22.3% | 799 m | 72 m | 9.0% | Paved | Good |
| 5 | Chemin du Moulin Theux | Allier | 22.3% | 1442 m | 144 m | 10.0% | Gravel / dirt track | High |
| 6 | Lane near Pérard | Allier | 22.3% | 603 m | 60 m | 9.9% | Gravel / dirt track | High |
| 7 | Route de Pérard | Allier | 22.3% | 1528 m | 132 m | 8.6% | Mixed surface | High |
| 8 | Lane near La Malgoutte | Allier | ≈caveated21.9% | 1827 m | 123 m | 6.8% | Paved | Good |
| 9 | Chemin de Château Vert | Allier | ≈caveated21.8% | 644 m | 66 m | 10.2% | Mixed surface | Good |
| 10 | Chemin de la Montagne Verte | Allier | ≈caveated21.2% | 1268 m | 100 m | 7.9% | Paved | Good |
| 11 | Chemin des Brosses | Allier | ≈caveated20.8% | 3592 m | 244 m | 6.8% | Paved | Good |
| 12 | Chemin du Domaine Thibaud | Allier | 20.3% | 462 m | 42 m | 9.1% | Mixed surface | High |
| 13 | Chemin de la Font Blanche | Allier | 20.2% | 638 m | 55 m | 8.6% | Paved | High |
| 14 | Chemin des Narces | Allier | 20.1% | 1335 m | 69 m | 5.2% | Paved | Good |
| 15 | Lane near Plaidit | Allier | ≈caveated20.1% | 552 m | 73 m | 13.2% | Paved | Good |
| 16 | Col de la Rivière Noire from Saint-Nicolas-des-Biefs | Allier | ≈caveated12.5% | 3000 m | 117 m | 3.9% | Paved | Good |
| 17 | Col de la Loge des Gardes from Laprugne | Allier | ≈caveated11.7% | 6765 m | 480 m | 7.1% | Paved | Good |
| 18 | Col de la Loge des Gardes from Les Places | Allier | 8.3% | 1387 m | 74 m | 5.3% | Paved | High |
| – | Lane near Vernin · not ranked | Allier | ≈caveated21.6% | 1486 m | 125 m | 8.4% | Mixed surface | Good |
| – | Lane near Les Abatées · not ranked | Allier | ≈caveated20.6% | 462 m | 54 m | 11.8% | Mixed surface | Good |
| – | Lane near Les Gouttes · not ranked | Allier | ≈caveated20.2% | 2406 m | 80 m | 3.3% | Paved | Good |