| Calvos Oak | |
| Species: | European oak |
| Binomial: | Quercus robur |
| Location: | Calvos, Póvoa de Lanhoso, Portugal |
| Coordinates: | 41.5962°N -8.2685°W |
| Seeded: | 1510 |
| Custodian: | Instituto da Conservação da Natureza e das Florestas (ICNF) |
The Calvos Oak (Portuguese: Carvalho de Calvos) is a European oak located in the parish of Calvos, in Póvoa de Lanhoso, Portugal. It is estimated to be about 510 years old, as of 2015 it stands 300NaN0 tall and had a diameter at breast height of 7.620NaN0 with a canopy diameter of 370NaN0.[1] It is considered to be the oldest oak in the Iberian Peninsula.