What is the oldest tree in Sintra?

The Fern Cork Oak (Sobreira dos Fetos) near Quinta do Relógio, classified in 1996 and estimated at more than 300 years old, 350 per Portugal's own ICNF register. It stands at the roadside on the way to Seteais Palace, free to see from the public street.

Why is Sintra's cork oak losing its bark?

Tour guides have taken to walking groups up to the Fern Cork Oak and encouraging them to strip off pieces of bark as souvenirs. The environmental association GAAS has publicly said the fencing the state put up around it does nothing to stop the damage.

Why does the walking tree in Parque da Pena move?

Its low branches arc down under their own weight, touch the ground, take root, and thicken into new trunks separate from the original. Repeated for about 150 years, the tree has visibly migrated several metres across its own patch of the park.

Are Sintra's remarkable trees free to see?

Two are: the cork oak near Quinta do Relógio and the plane tree in Parque da Liberdade, both outdoors in public spaces. The pohutukawa and Norfolk Island pine at Monserrate and the walking cedar at Pena both require a paid park ticket.

Portugal

Ancient Trees in Sintra

Sintra doesn't grow old trees so much as collect them. Nineteenth century estate owners, chasing the Romantic idea of a mountain retreat, filled the town's palace gardens with specimens shipped in from every continent they could reach: a New Zealand pohutukawa, a Norfolk Island pine, a Pacific cedar that has spent a century and a half quietly walking across its own lawn. Beneath all that imported spectacle, Sintra's own native cork oak, three and a half centuries old, still stands where it always has, at the edge of a public road, defending itself against tourists who keep stripping its bark for souvenirs.

Photo: LBM1948, via Wikimedia Commons (CC BY-SA 4.0)

The Walking Tree of Pena

Western Red Cedar (Thuja plicata) · approximately 150 years · São Pedro de Penaferrim

This tree has spent a century and a half slowly relocating itself. Planted not long after King Ferdinand II began building his Romantic fantasy palace on the ruins of a monastery above Sintra, this western red cedar grows a peculiar habit into every low branch: instead of staying airborne, they arc down under their own weight, touch the ground, take root, and thicken into new trunks entirely separate from the original. Repeat that for a century and a half and the result is a small forest walking, metre by metre, toward the nearby lake, each generation of trunks a few steps closer than the last. Forestry students have used it as a teaching example since at least 1916, and it was still notable enough in 2019 to be shortlisted for Portugal's national Árvore do Ano contest. Its perimeter now measures nearly 17 metres, though that number describes a cluster of connected trunks rather than one column the way most tree measurements do. Parque da Pena's own guides call it simply the tree that walks, and once you have seen one root touch down mid-arc, the name stops sounding like a metaphor. It stands a short walk from the Fonte dos Passarinhos, inside the park surrounding Pena Palace, one of the most visited sites in Portugal.

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The Fern Cork Oak of Quinta do Relógio

Cork Oak (Quercus suber) · more than 300 years, Portugal's own register puts it at 350 · São Martinho

Ferns grow straight out of this oak's bark, which is where its name comes from: Sobreira dos Fetos, the Fern Cork Oak. Portugal's forestry service classified it as a tree of public interest in 1996, by which point it had already stood beside the road to Seteais for roughly three centuries, older than the palace hotel that road now leads to. The English Romantic poet Robert Southey is said to have written that a painter should cross the Channel for no other reason than to see it, a claim that has outlived any record of when he supposedly made it. What has not faded is a more recent, less flattering kind of attention: tour guides have taken to walking groups up to the trunk to peel off pieces of bark as souvenirs, and the environmental association GAAS has publicly said the fencing the state put up around it does nothing to stop them. The tree stands on private land, but right at the roadside, visible and reachable from the public street rather than behind any gate, which is exactly why the damage keeps happening. It is Sintra's oldest documented tree, and the thing most likely to shorten that record is not age. It's whoever walks up next with a knife.

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The Plane Tree of Parque da Liberdade

London Plane (Platanus x hispanica) · roughly 150 to 200 years, sources disagree · Sintra town centre

Sintra's park changed its name overnight and this tree didn't notice. Portuguese record keepers classified it as a tree of public interest in 1951, decades before 25 April 1974, when thousands of Sintra's own residents flooded this same municipal garden to celebrate the end of the dictatorship and the park was renamed Parque da Liberdade, Liberty Park, that same year. The tree itself, a London plane with a trunk measuring nearly ten metres around at its base, had already been growing for a century by then, planted sometime in the early to mid-1800s depending on which record you trust: the official government register puts it at roughly 200 years old, while a local history blog's own measurements suggest closer to 150. Either figure makes it one of the thickest plane trees documented anywhere in Portugal, rivalled mainly by a single private specimen near Figueira da Foz. Locals just call it the Platano Gigante, the giant plane, and treat the ground beneath it as one more park bench, shaded regardless of the hour by a canopy that has had a century and a half, at minimum, to fill in.

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Photo: Eduarda7, via Wikimedia Commons (CC BY-SA 2.5 PT)

The Araucaria of Monserrate

Norfolk Island Pine (Araucaria heterophylla) · approximately 160 to 180 years · Galamares

The tallest tree in one of Portugal's most exotic gardens came from an island most of its visitors couldn't place on a map. Francis Cook, the English textile magnate who bought the crumbling Monserrate estate in 1856, spent the following decades turning its grounds into a private arboretum stitched together from wherever his money could reach: Mexico, the Himalayas, Australia, and this Araucaria heterophylla, native only to a single island in the Tasman Sea, Norfolk Island, some 1,600 kilometres from the Australian mainland it is usually filed under. Planted in Monserrate's mid-19th century expansion, it now stands over 50 metres tall with a crown spreading 22 metres across, by most measurements the tallest tree in the entire garden and a strong candidate for the tallest on mainland Portugal. It grows at the low point of the grounds, beside the ornamental lake, so that visitors coming down through Cook's Himalayan and Mexican plantings see it rising above everything else before they reach the water. Cook never lived to see the tree reach anything like its current size. What he built instead was a garden designed to keep growing into something stranger than he planted, and this conifer, alone among everything else at Monserrate, decided to do that by going straight up.

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The Pohutukawa of Monserrate

Pohutukawa (Metrosideros excelsa) · genuinely uncertain, estimated between 175 and 275 years · Galamares

New Zealand's Christmas tree blooms scarlet in Portugal in early summer instead, six months off its native schedule and a hemisphere away from the only place it grows wild. This Metrosideros excelsa, a pohutukawa, is one of a pair planted in the grounds Francis Cook built around Monserrate Palace in the second half of the 19th century, though no record pins the planting to a specific year; estimates for this specimen, known locally only as New Zealand Two, range across a full century, sometime between 1750 and 1850, wide enough that even Monserrate's own material describes it simply as older than Cook's own tenure rather than assigning it a date. What is measured rather than estimated is its girth, just over 9 metres around a trunk that has grown the tangled aerial roots the species uses in the wild to grip volcanic coastal cliffs, here gripping nothing but Portuguese hillside soil a mountain away from any coastline. In New Zealand the tree is a national symbol, its flowering timed so precisely to the southern hemisphere summer that it marks the calendar the way certain trees elsewhere mark autumn. Cook's Monserrate collects that kind of geographic joke throughout its grounds, a garden built to prove a 19th century Englishman could grow almost anything on a hillside above Lisbon, if he imported the whole world to do it.

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Frequently asked

What is the oldest tree in Sintra?: The Fern Cork Oak (Sobreira dos Fetos) near Quinta do Relógio, classified in 1996 and estimated at more than 300 years old, 350 per Portugal's own ICNF register. It stands at the roadside on the way to Seteais Palace, free to see from the public street.
Why is Sintra's cork oak losing its bark?: Tour guides have taken to walking groups up to the Fern Cork Oak and encouraging them to strip off pieces of bark as souvenirs. The environmental association GAAS has publicly said the fencing the state put up around it does nothing to stop the damage.
Why does the walking tree in Parque da Pena move?: Its low branches arc down under their own weight, touch the ground, take root, and thicken into new trunks separate from the original. Repeated for about 150 years, the tree has visibly migrated several metres across its own patch of the park.
Are Sintra's remarkable trees free to see?: Two are: the cork oak near Quinta do Relógio and the plane tree in Parque da Liberdade, both outdoors in public spaces. The pohutukawa and Norfolk Island pine at Monserrate and the walking cedar at Pena both require a paid park ticket.
More on the oldest tree: What is the oldest tree in Sintra? The full answer, with map and directions.
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