Castell de Garraf

Castell de Garraf is a medieval defensive ruin perched on a rocky outcrop above Sitges, on the Catalan coast within the Garraf massif.

What is this place?

Locally known as Castellet de Garraf, this small fortress was built in the 12th or 13th century to watch over the coastal stretch between Sitges and Castelldefels. Its builders made clever use of the natural rock formation, letting part of the cliff face serve as a ready-made section of wall and cutting down on the stone needed for construction. A defensive tower originally stood within the perimeter, though only fragments of its foundations survive today.

The castle's history is tied closely to the nearby Garraf monastery, first documented in the 12th century. That history was not kind to the site: in 1382, when Bernat de Fortià took lordship over the Garraf district, the prior's residence and part of the monastery church were destroyed. A little over a decade later, in 1394, the king transferred authority over Garraf to the Pia Almoina, an institution tied to Barcelona Cathedral, and in 1418 the Pia Almoina sold the entire district to the town of Sitges — from that point on, the castle's fate was bound to the town below it.

What will you see there?

What remains today is a substantial but unmistakable ruin. Visitors can trace sections of the perimeter walls, a stone entrance arch leading into the former courtyard, traces of several interior rooms, and no fewer than three water cisterns — essential for anyone stationed here, given the dry, rocky terrain has no natural springs. The approach itself is part of the appeal: the path winds through the typical Garraf massif landscape of low scrub, limestone outcrops, and open views over the Mediterranean.

How do you get there?

The easiest approach is by RENFE regional train (R2 line) to Garraf station, where the GR-92 trail — also known as the Camí de les Costes — is signposted right outside the station. From the station square, turn onto Avinguda del Castell and follow the red-and-white GR-92 markers uphill; the ruins come into view fairly quickly and dominate the landscape well before you reach them.

You can also start from the Sitges side, where the same trail is marked from the town's railway station. The full Garraf–Sitges stretch runs about 14 km with roughly 650 m of elevation gain, so it's worth setting aside half a day if you plan to walk the whole route. Along the way, besides the castle itself, you'll pass the Ermita de la Trinitat de Sitges, a cliffside chapel with sweeping views over the Costa Garraf.

When should you visit?

Because the terrain is rocky, exposed, and largely shadeless, spring and autumn offer the most comfortable temperatures for walking. In summer, an early start helps you avoid the midday heat. Winter can also work well, provided the weather is stable.

Frequently asked questions

Is there an entrance fee for the ruins? No, the site is freely accessible as part of a walk or hike through Garraf natural park.

How long does it take to reach the castle? From Garraf station, the climb to the ruins along the GR-92 trail typically takes 20–30 minutes, depending on your pace.

Is the route suitable for children? The short stretch from the station to the castle is manageable for older children, but the ground is rocky and uneven, so sturdy footwear and caution near the edges are essential.

Can you visit the castle without walking the whole route to Sitges? Yes — many visitors simply walk up from Garraf to the ruins and back the same way, without continuing on to Sitges.