History is all around you at Castelo, Walls & Aqueduct. From how it was constructed to what it was used for, this towering structure has a few secrets lurking behind its doors.

This fortified complex is situated in Obidos, a place that has so much going for it! Obidos Castle, Obidos Lagoon, and West Cliffs Golf Course are other good attractions not far away when you're all done at Castelo, Walls & Aqueduct.

Plan a trip to see Castelo

Price found within the past 48 hours. Click for updated prices.

Eurostars Das Letras

Lisbon City Center

$800

per person

Mar 1 - Mar 7

found 1 day ago

Roundtrip flight included

Boston (BOS) to Lisbon (LIS)

9/10 Wonderful! (1,001 reviews)

I enjoyed my stay at this hotel. The staff has great service and the rooms were very comfortable.

Reviewed on Dec 8, 2025

Eurostars Lisboa Baixa

Lisbon City Center

Save 100% on your flight

$896

per person

Mar 1 - Mar 7

found 1 day ago

Roundtrip flight included

Boston (BOS) to Lisbon (LIS)

9.8/10 Exceptional! (217 reviews)

This hotel was a great choice. We had a suite and it was outstanding. The staff was efficient and professional. The breakfast each morning was perfect and the kitchen and service staff were great. We really enjoyed ourselves and will return in the future.

Reviewed on Dec 5, 2025

Aurea Museum by Eurostars Hotel Company

Lisbon City Center

Save 100% on your flight

$895

per person

Mar 1 - Mar 7

found 1 day ago

Roundtrip flight included

Boston (BOS) to Lisbon (LIS)

9.4/10 Exceptional! (1,002 reviews)

All good service except smart tv

Reviewed on Dec 4, 2025

Browse tours and tickets to explore Castelo

Tours & day trips

See all 45 activities

Best of Nazaré Tour

Free cancellation available

Private & custom tours

See all 33 activities

Óbidos and Fatima Tour

Free cancellation available

Adventure & outdoor

See all 4 activities

private tour Luxury car to Fatima, Óbidos, Nazaré, Tomar,Alcobaça

Free cancellation available

Popular places to visit

Obidos Castle

4.5/5(33 reviews)

One of the most famous buildings in Portugal, this imposing castle is a fine example of medieval architecture and a highlight of a historic town.

Play for me.

Situated in the lovely town of Caldas da Rainha, the D. Carlos I park is a gorgeous 19th century romantic garden situated in the historic centre of the town.

This refreshing green area used to work as a complement of the important Thermal Hospital that named the town of Caldas da Rainha

Dom Carlos I Park

Explore the great outdoors at Dom Carlos I Park, a lovely green space in Nossa Senhora do Pópulo. Experience the area's art scene and museums.

Óbidos Organic Market

You can search for that perfect souvenir at Óbidos Organic Market during your visit to Santa Maria, São Pedro e Sobral da Lagoa.

Vila Natal

4/5(3 reviews)

After visiting Vila Natal, make a plan to see the other sights and activities in Santa Maria, São Pedro e Sobral da Lagoa. Discover the area's countryside and seek out the golf courses.

Municipal Museum

You can spend time exploring the galleries in Municipal Museum in Santa Maria, São Pedro e Sobral da Lagoa.

Church of Saint Peter

Church of Saint Peter is just one of the places to see in Santa Maria, São Pedro e Sobral da Lagoa, so why not enjoy the other things to explore during your travels? Discover the area's countryside and seek out the golf courses.