Gros (Trou du)
Montbrand (Hautes-Alpes - FR) 
44.576938,5.642229
44.576938,5.642229
Depth 17m 
 Caves nearby
| Distance (km) | Name | Length (m) | Depth (m) | 
|---|---|---|---|
| 9.8 | 06/T (Grotte) | 30 | 0 | 
| 14.7 | Grande Gaborne (La) [S12] | 7 | |
| 15.4 | Pellebit Supérieure (Grotte de) | 1300 | 88 | 
| 18.6 | Lily-Rose (Chourum) | 820 | 510 | 
| 20.0 | Moutons (Chourum des) | 165 | |
| 20.1 | Bellot (Chourum de) | 378 | 192 | 
| 20.1 | Renards (Tune des) | 2780 | 946 | 
| 20.4 | Picard IV (Chourum) | 2515 | 479 | 
| 20.5 | Vallonnet n°1 (Baume du) | 1550 | 126 | 
| 20.6 | Scarabée (Chourum du) [Scarabee] | 3471 | 393 |