# Aliança Underground Museum, Portugal: what it is and when to go > Aliança Underground Museum is a museum in Portugal (Aguada de Baixo). Interests: Museums and art. The best time to visit is March to October. In June there are 14 h 53 of daylight, and in December, 9 h 07. It has articles in 2 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/alianca-underground-museum/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Museum · Museums and art - **Where:** Portugal · Rua do Comércio, 3781-908, Sangalhos - **Best time:** March to October. - **Nearest airport:** OPO Porto, 86 km as the crow flies - **Website:** [bacalhoa.pt](https://bacalhoa.pt/pt/alianca-underground-museum) - **Coordinates:** 40.48932, -8.4718 ## What it is and where Aliança Underground Museum is a museum in Portugal (Aguada de Baixo). It has articles in 2 Wikipedias, so it is not one of the busiest places in Portugal: one to enjoy at a calmer pace. It is in [Aguada de Baixo](https://kokai.app/en/paises/europa/portugal/aguada-de-baixo/), where this site lists 9 more places to see, 3.4 km from the centre. Its coordinates are 40.48932, -8.4718; the nearest main airport is Francisco de Sá Carneiro Airport (OPO, Porto), 86 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=40.489324%2C-8.471799) - [Directions](https://www.google.com/maps/dir/?api=1&destination=40.489324%2C-8.471799) It is one of the [Museums and art](https://kokai.app/en/paises/europa/portugal/museos/) 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 Aliança Underground Museum is **March to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 25 | | February | Possible | 10 h 27 | | March | Best time | 11 h 41 | | April | Best time | 13 h 05 | | May | Best time | 14 h 15 | | June | Best time | 14 h 53 | | July | Best time | 14 h 37 | | August | Best time | 13 h 37 | | September | Best time | 12 h 15 | | October | Best time | 10 h 54 | | November | Possible | 9 h 42 | | December | Possible | 9 h 07 | In June there are 14 h 53 of daylight, and in December, 9 h 07. 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. 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 - [Adega Centenária Malápio](https://kokai.app/en/paises/europa/portugal/adega-centenaria-malapio/): Winery · 3.4 km - [Destilaria Levira](https://kokai.app/en/paises/europa/portugal/destilaria-levira/): Distillery · 7.5 km - [Pateira de Fermentelos](https://kokai.app/en/paises/europa/portugal/pateira-de-fermentelos/): Nature · Wildlife · 10 km - [Caves Messias](https://kokai.app/en/paises/europa/portugal/caves-messias/): Winery · 13 km - [Church of São Salvador](https://kokai.app/en/paises/europa/portugal/church-of-trofa-pantheon-of-lemos/): Church building in Águeda Municipality, Aveiro District, Portugal · 14 km Distances are as the crow flies. Everything else is in [the Portugal guide](https://kokai.app/en/paises/europa/portugal/). ## More in Portugal: Museums and art - [Jerónimos Monastery](https://kokai.app/en/paises/europa/portugal/monasterio-de-los-jeronimos/): building in Santa Maria de Belém, Lisbon District, Portugal - [Calouste Gulbenkian Museum](https://kokai.app/en/paises/europa/portugal/museo-calouste-gulbenkian/): art museum in Lisbon, Portugal - [National Museum of Ancient Art](https://kokai.app/en/paises/europa/portugal/museo-nacional-de-arte-antiguo/): museum in Lisboa, Portugal - [Palace of Queluz](https://kokai.app/en/paises/europa/portugal/palacio-nacional-de-queluz/): former royal palace and current national palace at Queluz, Sintra, Portugal - [Palácio da Bolsa](https://kokai.app/en/paises/europa/portugal/palacio-da-bolsa/): building in Porto, Porto District, Portugal - [Capela dos Ossos](https://kokai.app/en/paises/europa/portugal/chapel-of-bones/): small interior chapel in Evora, Portugal Every Portugal place under Museums and art, each with its season, is on [its page](https://kokai.app/en/paises/europa/portugal/museos/). ## Frequently asked questions ### What is Aliança Underground Museum? It is a museum in Portugal. It has articles in 2 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 Aliança Underground Museum? March to October. In June there are 14 h 53 of daylight, and in December, 9 h 07. ### How do you get to Aliança Underground Museum? The nearest main airport is Francisco de Sá Carneiro Airport (OPO), 86 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=40.489324%2C-8.471799) 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 [Adega Centenária Malápio](https://kokai.app/en/paises/europa/portugal/adega-centenaria-malapio/), [Destilaria Levira](https://kokai.app/en/paises/europa/portugal/destilaria-levira/), [Pateira de Fermentelos](https://kokai.app/en/paises/europa/portugal/pateira-de-fermentelos/). The rest is in [the Portugal guide](https://kokai.app/en/paises/europa/portugal/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/2496670093), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q25431027), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).