This is the second highest pass on the route from Uyuni/Tupiza to San Pedro de Atacama, via San Pablo. It’s a short and not particularly difficult climb.
| Name of Pass | Abra Puca Loma |
| Where | Between San Antonio Viejo (13km) and Abra Laguna Morijon (15km) |
| Climb | 380m in 1 hour from river/low point |
| GPS Co-ords | 21.913 S, 66.952 W |
| Altitude | 4,804m |
