Quinta da Regaleira

Quinta da Regaleira, in Sintra, is the place where you walk down a well. A rich merchant, António Augusto Carvalho Monteiro, and the Italian architect Luigi Manini built the estate between 1904 and 1910, and they filled a steep, wooded hillside of about four hectares with things to find: grottoes, towers, fountains, a chapel, a Gothic-looking palace and tunnels that wind through the rock. Monteiro loved mystery and symbols, and the garden is full of them. For a child who has read about secret passages, this is the real thing.

Sintra council bought the estate in 1997 and opened it to visitors in 1998. It’s part of the Sintra cultural landscape, a UNESCO World Heritage Site.

The famous one is the Poço Iniciático, the initiation well. You enter at the top and walk down a spiral staircase of nine flights, 27 metres into the ground, past 23 small niches set into the walls. Some people say the nine flights stand for the nine founders of the Knights Templar; others see Dante’s nine circles of Hell. Either story works well with children. At the bottom there’s a compass design in the stone floor.

The well is one way only, downwards. From the bottom, the tunnels are also one way, leading you through the rock to the Gruta do Oriente, a grotto where you come back into daylight. The walk underground is dim and narrow in places, which some children find thrilling and others find too dark and close, so it helps to talk it through before you go.

There’s a second, rougher well on the estate, and the tunnel network also links other grottoes, including Leda’s Grotto, and the chapel crypt. Some areas have restricted access; follow the signs and staff. Walking on the Waterfall Lake is forbidden, so the famous stepping stones you may have seen in photos are for looking at, not crossing.

Above ground, children can climb towers for views over the hills, find fountains and grottoes along the paths, and peek into the chapel with its frescoes and stained glass. The palace, five storeys of carved stone, is a one-way route through the rooms. Most families spend most of their time in the garden, looking for the next tunnel entrance or hidden stair. The paths are steep and the garden is a maze of levels, so a paper map (€0.50) is worth buying at the ticket office; the €5 audio guide in seven languages includes one.

• Ages 4 to 7 love the well and the tunnels if they’re happy in the dark; hold hands on the steps.
• Ages 8 to 12 are the sweet spot: secret passages, symbols to decode and towers to climb.
• Teenagers who find ordinary palaces boring usually like the mystery and the photos.
• Toddlers go free, but the steps, tunnels and wet stones make a buggy a poor idea. Use a carrier.

When checked in September 2026, tickets were €20 for adults, €15 for ages 6 to 17 and for over-65s, and free for under-6s. A family ticket for two adults and two young people was €60. Sintra residents enter free with proof of address. The estate doesn’t take part in the national free Sundays scheme for monuments.

Entry is by timed slot, every half hour, with one hour’s grace. Book online on the official ticket site to skip the queue at the gate. From April to September the gardens open 09:00 to 19:30 and the palace and chapel 10:00 to 19:00; from October to March it’s 10:00 to 18:30, with last entry at 17:30. It’s closed on 1 January and 24, 25 and 31 December.

Quinta da Regaleira is very popular, so the well can have a queue. Late afternoon tends to be calmer than the middle of the day, and the first slot of the morning is the other good bet.

The estate warns that the ground is hilly, with steps and tunnels. Children under 15 must stay with an adult. Large backpacks, luggage and trolleys aren’t allowed, and dogs can’t come in unless they are assistance dogs. Flash photography, tripods and drones aren’t allowed indoors. Wear shoes with grip, since the tunnel floors and garden steps can be damp.

There’s no parking at the estate. Take the train from Lisbon to Sintra and walk up through the old town, or use one of the car parks listed on the council’s parking site. Inside there’s a café and restaurant with a garden terrace, and a gift shop in the palace.

The estate is at the edge of Sintra’s old town, so add a pastry stop at Casa Piriquita or lunch at Plataforma. For more Sintra adventures, the Convento dos Capuchos is a tiny cork-lined friary in the forest, and Miguel Boim’s night walks take older children into the hills after dark. Plane fans can drive out to the Museu do Ar on the Sintra air base.

How deep is the well at Quinta da Regaleira?

27 metres, down a spiral staircase of nine flights. You walk down only, then leave through tunnels.

How much is Quinta da Regaleira for children?

Under-6s go free and ages 6 to 17 paid €15 when checked in September 2026. A family ticket for two adults and two young people was €60.

Do you need to book Quinta da Regaleira?

Entry is by timed slot. Booking online is strongly advised in busy seasons, and it saves queuing at the gate.

Can you take a buggy?

It’s very hard going. The site is steep, with steps and tunnels. Bring a baby carrier instead.

Can you cross the stepping stones on the lake?

No. The estate’s rules forbid walking on the Waterfall Lake.

How long do you need?

Allow two to three hours to explore the garden, well and tunnels without rushing.