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La Portada

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La Portada is a distinctive natural stone arch located off the coast of Chile, approximately 18 kilometers north of the city of Antofagasta. This impressive geological formation was shaped over millions of years by the continuous erosive power of the Pacific Ocean acting on sedimentary rock and marine fossil shell layers. Standing 43 meters high, 70 meters long, and 23 meters wide, the arch rises majestically from the ocean, framed by towering coastal cliffs. The area was designated a National Monument in 1990 to preserve its unique geology and protect the marine bird species that inhabit the site. Visitors can observe the continuous sculpting of the structure by wind and water from various viewpoints along the cliffside. La Portada is home to significant colonies of Guanay cormorants, Inca terns, and occasionally endangered Humboldt penguins. The arch is one of Northern Chile's most iconic landmarks and a symbol of the Atacama region's dynamic coastline.
- Location: Chile
- Top sights: Borde Costero · Hawker Hunter · Granja Educativa Las Tres Marías GEO
Best time to visit & climate
The most pleasant time to visit is Jan–Mar.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 21 | 22 | 20 | 19 | 17 | 16 | 15 | 15 | 15 | 16 | 17 | 19 |
| Rain mm | 1 | 2 | 1 | 0 | 0 | 2 | 1 | 2 | 0 | 0 | 0 | 1 |
📋 Practical info
Geography
Facts
- Declared a National Monument of Chile in 1990.
- Composed of sedimentary limestone from the Miocene epoch.
- The arch stands at a total height of 43 meters.
- Located approximately 18 kilometers north of Antofagasta.
- Home to colonies of the endangered Humboldt penguin.
- The rock features fossilized remains of marine shells.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
© OpenStreetMap contributors · OpenRouteService
Sights in the town La Portada (9)
Sights nearby
Frequently asked questions
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