| Official Name: | Puerto Blest |
| Settlement Type: | Municipality and village |
| Pushpin Map: | Argentina |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Name1: | Río Negro Province |
| Subdivision Type2: | Department |
| Unit Pref: | Imperial |
| Coordinates: | -41.0333°N -120°W |
Puerto Blest is a small port located on Lake Nahuel Huapi, at the end of the Blest Arm, in Río Negro Province in Argentina, located at the coordinates: 41 ° 01′27.16 ″ S 71 ° 48′49.80 ″ W. The port is located where the Frías river discharges into Lake Nahuel Huapi, within the Nahuel Huapi National Park at 808 meters above sea level, and is part of a tourist path that connects the city of Bariloche with Lake Frías and the Cántaros waterfall.[1]