Outão Lighthouse

Outão Lighthouse (Farol do Outão) guards the right bank of the narrow Sado estuary, a few kilometres west of central Setúbal in Portugal. The light sits inside the coastal Fort of Santiago do Outão, at the foot of the Arrábida hills and facing the Tróia peninsula. It is a modest tower with a real job: marking the entrance to Setúbal's harbour.

What is Outão Lighthouse?

The tower is about 11 metres tall, hexagonal in plan and fitted with a double balcony. Because it stands on the fort's raised ground, the light's focal height is about 34 metres above sea level. It shows a red light with a range of 12 nautical miles (roughly 22 km), flashing in a 6-second cycle with a brief eclipse. The structure is concrete, and one source reports it was automated in 1984, so no keeper lives on site.

What is its history?

A light was first established in 1775, but originally higher up in the Serra da Arrábida range. In 1863 it moved to the Fort of Santiago do Outão, where it has operated ever since. The fort itself is older: tradition links it to a watchtower ordered by King John I around 1390, with defensive works added in the 16th and 17th centuries. The lighthouse is the latest chapter of a site that has watched over the Sado entrance for centuries.

How do you get to Outão Lighthouse?

It lies on the coast between Setúbal and the Arrábida Natural Park, at roughly 38.489 N, 8.934 W. The easiest way is by car or taxi from Setúbal along the coastal road towards Outão. Setúbal is about an hour from Lisbon by motorway or by train. The fort grounds have military functions, so check current access rules before you go; the lighthouse and the whole bay are best seen from the road and the nearby beaches.

What else is nearby?

• The Sado estuary, with views of Tróia and the ship channel into Setúbal.
• The hills of Arrábida Natural Park, covered in Mediterranean scrub.
• Beaches along the road towards Portinho da Arrábida.
• Setúbal's old centre, with its market, churches and the Fort of São Filipe.

When should you visit?

Late spring and early autumn give clear air for photos and lighter traffic on the coastal road than July and August. In the evening the setting sun lights up the Arrábida slopes, and after dark the lighthouse shows its red signal across the estuary.

Frequently asked questions

How tall is Outão Lighthouse? The tower is about 11 metres, and the light shines from roughly 34 metres above the sea.

What colour is the light? Red, with a range of 12 nautical miles.

When did the light move to the fort? In 1863; from 1775 it had operated higher up in the Serra da Arrábida.

Can you climb the tower? The lighthouse is automated and stands within a fort with military status, so interior visits are not a standard attraction. Ask the Setúbal tourist office about current rules.