# Fort of Archeira, Portugal: what it is and when to go > Fort of Archeira is a 19th-century fort in Portugal (Lisbon), at 86 m above sea level. Interests: Nature, History and Wildlife. The best time to visit is March to October. In June there are 14 h 44 of daylight, and in December, 9 h 16. It has articles in 3 Wikipedias, so it is not one of the busiest places in Portugal: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/europa/portugal/forte-da-archeira/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** 19th-century fort in Portugal · Nature, History, Wildlife - **Where:** Portugal - **Elevation:** 86 m - **Best time:** March to October. - **Nearest airport:** LIS Lisbon, 29 km as the crow flies - **Coordinates:** 39.03466, -9.21806 ## What it is and where Fort of Archeira is a 19th-century fort in Portugal (Lisbon), at 86 m above sea level. It has articles in 3 Wikipedias, so it is not one of the busiest places in Portugal: one to enjoy at a calmer pace. Obra Militar 128 - Linhas de Torres It is in [Lisbon](https://kokai.app/en/paises/europa/portugal/lisboa/), where this site lists 170 more places to see, 35 km from the centre. Its coordinates are 39.03466, -9.21806; the nearest main airport is Lisbon Humberto Delgado Airport (LIS, Lisbon), 29 km as the crow flies. How to get around Portugal (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/portugal/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=39.034658%2C-9.218057) - [Directions](https://www.google.com/maps/dir/?api=1&destination=39.034658%2C-9.218057) It is one of the [Nature](https://kokai.app/en/paises/europa/portugal/naturaleza/), [History](https://kokai.app/en/paises/europa/portugal/historia/) and [Wildlife](https://kokai.app/en/paises/europa/portugal/fauna/) places in Portugal. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Fort of Archeira is **March to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 33 | | February | Possible | 10 h 32 | | March | Best time | 11 h 42 | | April | Best time | 13 h 02 | | May | Best time | 14 h 08 | | June | Best time | 14 h 44 | | July | Best time | 14 h 29 | | August | Best time | 13 h 32 | | September | Best time | 12 h 14 | | October | Best time | 10 h 57 | | November | Possible | 9 h 49 | | December | Possible | 9 h 16 | In June there are 14 h 44 of daylight, and in December, 9 h 16. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. | What you come for | Best time | Possible | | --- | --- | --- | | Nature | April to October | November to March | | History | March to October | November to February | | Wildlife | April to October | November to March | It is not the same trip whatever you come for: Fort of Archeira has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you. When to go to Portugal in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/portugal/#cuando-ir). ## Before you go to Portugal To enter Portugal there are 6 things to sort out before you leave, starting with “Valid ID card (DNI) or passport”: they are all, with their deadlines, in [the Portugal checklist](https://kokai.app/en/paises/europa/portugal/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz (the same as in Spain); emergencies: 112. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Serras do Socorro e Archeira](https://kokai.app/en/paises/europa/portugal/paisagem-protegida-local-das-serras-do-socorro-e-archeira/): Protected area in Portugal · 139 m - [Senhora do Socorro](https://kokai.app/en/paises/europa/portugal/senhora-do-socorro/): Mountain in Portugal · 2.0 km - [GR30 - Grande Rota Linhas de Torres Vedras](https://kokai.app/en/paises/europa/portugal/gr30-grande-rota-linhas-de-torres-vedras/): Hiking · 3.7 km - [Tholos do Barro](https://kokai.app/en/paises/europa/portugal/tholos-do-barro/): Megalithic site near Sintra, Portugal · 5.3 km - [Pillory of Enxara dos Cavaleiros](https://kokai.app/en/paises/europa/portugal/pelourinho-de-enxara-dos-cavaleiros/): Pillory in Mafra, Portugal · 5.7 km Distances are as the crow flies. Everything else is in [the Portugal guide](https://kokai.app/en/paises/europa/portugal/). ## More in Portugal: Nature - [Jerónimos Monastery](https://kokai.app/en/paises/europa/portugal/monasterio-de-los-jeronimos/): building in Santa Maria de Belém, Lisbon District, Portugal - [Mount Pico](https://kokai.app/en/paises/europa/portugal/montana-del-pico/): stratovolcano in the Azores and the highest mountain of Portugal - [Prehistoric Rock Art Sites in the Côa Valley and Siega Verde](https://kokai.app/en/paises/europa/portugal/prehistoric-rock-art-sites-in-the-coa-valley-and-siega-verde/): paleolithic archaeological site in Portugal - [Berlengas](https://kokai.app/en/paises/europa/portugal/reserva-natural-de-las-berlengas/): archipelago in Portugal - [Alto Douro](https://kokai.app/en/paises/europa/portugal/alto-douro-wine-region/): UNESCO World Heritage Site - [Peneda-Gerês National Park](https://kokai.app/en/paises/europa/portugal/parque-nacional-de-peneda-gerez/): protected area in Portugal Every Portugal place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/europa/portugal/naturaleza/). ## Frequently asked questions ### What is Fort of Archeira? It is a 19th-century fort in Portugal. It has articles in 3 Wikipedias, so it is not one of the busiest places in Portugal: one to enjoy at a calmer pace. ### When is the best time to visit Fort of Archeira? March to October. In June there are 14 h 44 of daylight, and in December, 9 h 16. ### How do you get to Fort of Archeira? The nearest main airport is Lisbon Humberto Delgado Airport (LIS), 29 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=39.034658%2C-9.218057) opens the route on the map, and how to get around Portugal is explained in [its country guide](https://kokai.app/en/paises/europa/portugal/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Portugal map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Serras do Socorro e Archeira](https://kokai.app/en/paises/europa/portugal/paisagem-protegida-local-das-serras-do-socorro-e-archeira/), [Senhora do Socorro](https://kokai.app/en/paises/europa/portugal/senhora-do-socorro/), [GR30 - Grande Rota Linhas de Torres Vedras](https://kokai.app/en/paises/europa/portugal/gr30-grande-rota-linhas-de-torres-vedras/). The rest is in [the Portugal guide](https://kokai.app/en/paises/europa/portugal/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/233479613), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q96378227), CC0. More about Fort of Archeira on [Wikipedia](https://en.wikipedia.org/wiki/Fort_of_Archeira). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).