| Yerba Loca Nature Sanctuary | |
| Iucn Category: | IV |
| Iucn Ref: | [1] |
| Location: | Santiago Metropolitan Region,  Chile |
| Nearest City: | Lo Barnechea |
| Coordinates: | -33.3333°N -70.3°W |
| Area Km2: | 390.29 |
| Designated: | 1973 |
| Governing Body: | Municipality of Lo Barnechea |
Yerba Loca Nature Sanctuary is a protected area in Santiago Metropolitan Area of Chile. It is east of Santiago in the commune of Lo Barnechea.[1]