Caminhando à Descoberta do Cabo Raso e Dunas da Cresmina

August 2026

01Aug9:3014:00Discovering Cabo Raso and the Cresmina Dunes9:30 - 14:00 Fort of St George of Oitavos - Guincho Road, 2750-642 CascaisEvent type:Hiking

Timetable

(Saturday) 9:30 - 14:00

Meeting Point

Fort of St George of Oitavos - Guincho Road, 2750-642 Cascais

Event details

Event Description

This proposed walk starts next to the Fort of St George of Oitavos and runs along the Cascais coast almost to Guincho Beach, passing by Cabo Raso. The route also takes in the Cresmina Dunes (Interpretation Centre) and its walkways, ending at the starting point. Another event not to be missed!

Shallow Cape

The Cabo Raso Lighthouse is located in the São Brás de Sanxete Fort and is a red, cylindrical metal tower, thirteen metres high. It has a lantern, balcony and ancillary buildings.

Cresmina Dunes

The Cresmina Dune Interpretation Centre is a space created with the aim of showcasing the unique fauna and flora associated with the Guincho-Cresmina dune system. The Centre serves as a starting point for moments of discovery, as the space leads visitors to explore the dunes of Guincho and their specific characteristics via a walkway.

The Guincho-Cresmina dunes are a small part of the Guincho-Oitavos complex located in the Sintra-Cascais Natural Park. This dune system is quite unique in that the sand from the Guincho and Cresmina beaches returns to the sea further south - between Oitavos and Guia, after migrating over the flat rocky platform of Cabo Raso. This is known as the Cresmina-Oitavos dune wind corridor.

Dune strands are fragile but very important geological structures, as they protect inland land from rising sea levels. As such, the Guincho-Cresmina dunes are an active and extremely unstable system due to the constant mobilisation of sandy particles by the strong northwest-southeast winds. The existence of impermeable barriers has narrowed the sand transport corridor, accelerating its dynamics. As wind speeds increased, sediment was deposited further away from the coastline with a consequent reduction in the beach area. Studies show that the Cresmina dune is advancing in a north-south direction, in some directions, by around 10 metres a year. These figures could have dramatic long-term effects in terms of the loss of arable land, infrastructure and housing.

Some of the points of interest of this event

- Coast from Cascais to Guincho - Fort of St. George of Oitavos - Cabo Raso - Cresmina Dune and Interpretation Centre - Cresmina Beach - Boca do Inferno - Natural landscapes -

Location

Meeting Point

Forte de S. Jorge de Oitavos car park

Latitude: 38°41'59.97″N
Longitude: 9°28'7.36″W

Meeting time: 9h20
Departure time: 9h30
Estimated end time: 14h

View on Google Maps

Route Features and Equipment

Level 0

Difficulty

0 km's

Distance

0 m

Unevenness

0 Hours

Duration

Circular
Circuit

Equipment

Suitable footwear and clothing for walking

RESERVE

CLOSED EVENT

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10€ per person

Includes:
- Guidance and support
- Personal accident insurance
- Civil liability insurance

Not included:
- All items not mentioned.

Comments:
- Only registrations made by 4.30pm on the day before the event will be eligible for Personal Accident Insurance.
- PLACES WILL BE FILLED WHEN PROOF OF PAYMENT IS RECEIVED

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