Moorish Castle

The Castelo dos Mouros was built by Muslim forces in the 8th to 10th centuries as a lookout and refuge controlling the pass through the Sintra hills and the approach to Lisbon from the Atlantic. It surrendered to Afonso Henriques in 1147 in the aftermath of the fall of Lisbon, and was thereafter garrisoned, then gradually abandoned as the town below grew. Earthquakes, including 1755, did the rest. In the 19th century Ferdinand of Saxe-Coburg-Gotha — the same king who built Pena on the neighbouring peak — had the ruins consolidated and romanticised as a picturesque feature of his estate, adding paths and planting. Archaeology has since uncovered a Christian medieval quarter within the walls, a granary, cisterns and a Muslim-era necropolis. The result is a genuine ruin, with about 450 metres of walkable curtain wall and five towers, and none of it is furnished or roofed.

The visit is a walk. From the ticket gate a woodland path climbs past the excavated medieval village and the small chapel of São Pedro de Canaferrim, now an interpretation centre with finds from the digs. Then you reach the walls and climb. The circuit takes you up steep stone stairs onto the ramparts, past the cistern, along the ridge to the Royal Tower — the highest point at around 450 metres — and around to the keep. From up here you see Pena Palace on its crag, the National Palace chimneys in the town below, the Atlantic at Praia das Maçãs, Cabo da Roca on a clear day, and on the far horizon the Tagus and Lisbon itself. There are no handrails on some sections, the steps are irregular, and the exposure on the ridge is real.

Because it is a ruin, this is the Sintra site least affected by crowding: the walls disperse people and there is no interior to queue for. That makes it the natural pairing with Pena, which is 15 minutes' walk away down the same road, and the sensible order is Pena first thing on a timed ticket then the castle afterwards, when Pena's queue is at its worst. Buy a combined Parques de Sintra ticket. Bring water, wind protection and shoes with grip; the ridge catches Atlantic weather and the stone gets slippery. Do not plan it for a foggy day — the view is the entire point, and in cloud you are paying €12 to walk a wall you cannot see beyond.

From Lisbon take the train from Rossio to Sintra, 40 minutes, €2.40 each way with a Navegante card. The 434 circular bus from Sintra station stops at Castelo dos Mouros before continuing up to Pena; a hop-on ticket is about €13.50 and the station queue in summer is long. On foot, the Santa Maria footpath climbs from behind Sintra National Palace through the woods to the castle gate in 40-50 minutes — steep, shaded, well signposted and one of the best short walks in Portugal. Coming down that way afterwards takes 30 minutes and costs nothing. There is minimal roadside parking on the Estrada da Pena, contested and awkward; driving up is not recommended.

Admission is €12 for adults, €10 for over-65s and ages 6-17, and free for under-6s. Combined tickets with Pena, Sintra National Palace or Monserrate cut roughly ten per cent off the total and are the standard purchase — a Pena plus Moorish Castle combination is around €25-27 depending on options. There is nothing extra to pay inside; the interpretation centre in the chapel is included, and there is a small kiosk near the entrance selling water and coffee at around €2. Guided walks are occasionally offered by Parques de Sintra. As with Pena, the Lisboa Card is not valid, and the shuttle that serves Pena's upper gate does not extend here.

Any time outside fog is good, and early morning is best of all: at 9:30 the walls are empty and the light is behind you looking east to Lisbon. The busiest window is 12:00 to 16:00 when the 434 bus disgorges Pena overflow, but even then the site absorbs people. Late afternoon light on the walls is superb. There is no weekly closing day, so a Monday works. April to June and September to October are ideal months. July and August bring haze that flattens the view and heat on the shadeless ramparts. Winter can be spectacular after rain — the clearest long views of the year — but sections of wall close in high wind, which happens often between November and February.

It suits walkers, photographers, teenagers with energy and anyone who prefers a ruin to a furnished palace. Children who like scrambling have a wonderful time, with the caveat that unfenced drops exist and supervision is needed. It is not accessible: the approach path is uneven, the ramparts are all steps, and wheelchair users can reach only the entrance area and part of the lower path. Anyone afraid of heights should skip the ridge section and stay on the lower walls. On a wet or foggy day, do not bother. With one hour spare it is possible but tight — the climb from the gate to the walls alone eats fifteen minutes.

Pena Palace and its park are 15 minutes' walk uphill and are the obvious pairing. Sintra's historic centre, the National Palace and Piriquita's pastries are 40 minutes down the Santa Maria footpath or a short 434 ride. Quinta da Regaleira and Monserrate are on the 435 route from the town and better kept for a second visit. For a longer walk, trails from the castle connect into the Parque de Sintra-Cascais network towards the Cruz Alta and Capuchos convent. If you want the region's heritage without the coach traffic, this is where locals bring visitors — and an overnight in Sintra means starting here at opening.

The honest caveats: there is no castle in the sense most visitors mean. No rooms, no roof, no furniture, no exhibits beyond one small chapel interpretation centre — it is walls, stairs and a view, and people who did not expect that say so loudly. The €12 asks a lot for that, especially straight after paying €20 at Pena. The climb is steeper than the bus stop suggests. And the view, which justifies everything, is hostage to weather: check conditions before you commit, because Sintra makes its own cloud and the ridge is inside it more often than the brochures let on.

Hours & entry

Not free

Daily 9:30-18:30 (Oct-Mar to 18:00) · Last entry 30 min before closing · Closed 25 Dec and 1 Jan

What to see

• Royal Tower panorama to Lisbon and the Atlantic — Highest point of the northern rampart, c. 450 m
• Excavated medieval village and cistern — Between the ticket gate and the main wall circuit
• Chapel of São Pedro de Canaferrim interpretation centre — Inside the walls, near the lower gate

Tips from the ground

• Do Pena first on a timed ticket, then walk 15 minutes down here — no queues at the walls.
• Walk down the Santa Maria footpath to the town afterwards: 30 minutes, free, beautiful.
• Check for fog. In cloud there is nothing to see from the ramparts.