| Format | Tabloid |
|---|---|
| Founded | 1947 |
| Headquarters | Santiago, Chile |
| Language | Spanish |
Fortín Mapocho (Mapocho Small Stronghold in English) was a daily newspaper, and now a Chilean weekly electronic publication written by socialists who stand in the Allendista tradition, and who are critical of the Concertacionista socialists that presently govern the country.