Guia Lighthouse (Portugal)
| Location | North Atlantic Ocean, Cascais e Estoril, Portugal |
|---|---|
| Coordinates | 38°41′44″N 9°26′47″W / 38.6956°N 9.4465°W |
| Tower | |
| Constructed | 1761 |
| Construction | stone |
| Automated | 1982 |
| Height | 28 m (92 ft) |
| Heritage | heritage without legal protection |
| Light | |
| Focal height | 58 m (190 ft) |
| Lens | third order Fresnel lens |
| Range | 19 nmi (35 km; 22 mi) |
| Characteristic | Iso R 2s |
The Guia lighthouse (Portuguese: Farol da Guia) is an active Portuguese lighthouse located at Cabo da Guia, about 2 km west of the centre of Cascais. It is an octagonal tower in white masonry with a red lantern that has a range of 18 nautical miles.