The Olive Harvest in Alentejo: Why Autumn Is Our Favourite Season

When the beaches empty and the first rains arrive, the Alentejo countryside gets busy. Here's what olive harvest season looks like around Sines and Santiago do Cacém, and how to make the most of it.

Inês and Rita, founders of Manas Slowliving

by Inês & Rita

29 October 2026

Shaking an olive tree over the harvest nets in the Alentejo countryside
Harvest day in the olive groves near Santiago do Cacém: nets on the ground, branches shaken, olives raining down.

Most people discover the Alentejo in summer.

Long beach days, warm evenings, the sea at its calmest.

But ask anyone who grew up here and they'll often tell you that autumn is when the region really shows itself.

The crowds are gone. The light turns golden. The first rains bring the fields back to life.

And across the countryside, families head out to the olive groves for one of the oldest rituals of the Alentejo year: the olive harvest.

A Landscape of Olive Trees

Freshly picked black and green olives with olive leaves

Olive trees are everywhere in the Alentejo.

Some stand in long, modern rows. Others are old and twisted, planted generations ago and still giving fruit.

Our Santiago House sits among olive groves and cork oaks, and from late autumn the trees around it are heavy with fruit, turning from green to deep purple and black.

The Alentejo produces most of Portugal's olive oil, but here the harvest still feels personal. For many local families, it isn't just agriculture. It's a reason to get together.

How the Harvest Works

Beating the branches of an olive tree with a long pole
Friends sorting olives on the harvest nets, with a dog on someone's lap

The traditional harvest is simple, and surprisingly physical.

Large nets are spread on the ground beneath each tree.

Then the branches are shaken, or gently beaten with long poles, until the olives rain down onto the nets.

The nets are gathered, leaves and twigs are picked out, and the olives are poured into crates or sacks.

From there, they go to the lagar, the olive mill, as quickly as possible, because the fresher the olives, the better the oil.

It's slow, repetitive work, often done in cold mornings with muddy boots.

And yet there's something deeply satisfying about it.

“The olive harvest is a great excuse to spend a weekend in nature with family and friends. The work itself is manual and hard, but the constant cracking of jokes makes it light and enjoyable.”

Inês

The First Taste of New Oil

If there's one moment that makes the whole season worth it, it's tasting the new oil.

Freshly pressed olive oil is nothing like what most of us buy in the supermarket.

It's cloudy, bright green, peppery, and slightly bitter. It catches the back of your throat.

The best way to taste it is the simplest: a thick slice of toasted Alentejo bread, a pinch of salt, and a generous pour of new oil.

That's it. No recipe needed.

Experiencing the Harvest Slowly

Crates full of olives loaded on a tractor in the olive grove
Gathering the harvest nets under the olive trees

The harvest season usually runs from October into December, depending on the year, the weather and the variety of olive.

You don't need to work in the fields to enjoy it.

Simply driving or walking through the countryside at this time of year, you'll see nets under the trees, families working together and tractors loaded with crates heading to the mills.

A few ideas for an autumn stay:

  • Take a slow walk through the olive groves and cork forests around Santiago do Cacém.
  • Look for local olive oil at the municipal markets and small grocery shops, and ask what's from this year's harvest.
  • Order bread and olive oil at a traditional tasca and taste the difference.
  • Pair it with a visit to a cork farm.

Why Autumn Is Perfect for a Slow Stay

Autumn is when the Alentejo slows down even more.

Beaches are empty but the sea is often still warm enough for a swim or a surf.

Restaurants have space. Locals have time to talk.

And evenings are made for the fireplace at the Sines House, or a quiet dinner surrounded by the olive trees at the Santiago House.

If you've only ever seen the Alentejo in summer, this might be the season that surprises you most.

Come and see the Alentejo in autumn. Our houses are quieter, cosier and ready for slow days.

View Our Houses

About the Authors

Inês and Rita, founders of Manas Slowliving

Inês and Rita are the sisters behind Manas Slowliving, a collection of soulful homes in Alentejo, Portugal. Born and raised in the region, they welcome guests to experience the slower rhythms of coastal and countryside life — from surf mornings in Sines to quiet afternoons exploring the cork forests inland.

FAQs

When is olive harvest season in Alentejo?

The olive harvest usually runs from October to December, sometimes into January, depending on the weather, the variety of olive and whether the oil is meant to be greener and more intense or milder.

Can visitors take part in the olive harvest?

Some farms and olive mills in Portugal offer harvest experiences or guided visits, usually by appointment. Availability changes from year to year, so it's best to ask locally. If you're staying with us, we're happy to share what we know.

What is a lagar?

A lagar is an olive mill, where olives are washed, crushed and pressed to extract the oil. Many villages in the Alentejo still have their own lagar, and harvest season is when they're busiest.

Why does new olive oil taste different?

Freshly pressed oil, often called azeite novo, keeps more of the olive's fresh, fruity and peppery character. It's usually cloudier and greener than older oil, and it's at its most intense in the first weeks after pressing.