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Ile de la Passe Fortifications

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—°1
Ile de la Passe Fortifications (Mauritius)

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Ile de la Passe is a small, rocky islet off the southeast coast of Mauritius, standing guard at the entrance to the historic Bay of Grand Port. Its strategic location made it a coveted military outpost for centuries, serving as a key to controlling the maritime routes of the Indian Ocean. It is most famous as the site of the Battle of Grand Port in 1810, the only naval victory for Napoleon's fleet over the British Royal Navy. Today, the island is home to significant archaeological remains, including ruins of barracks, gunpowder magazines, and artillery batteries built by both the French and the British. Reachable only by boat from Mahébourg, the island has a rugged and desolate charm. Visitors can walk among the historic stones and rusty cannons while enjoying panoramic views of the turquoise lagoon, reflecting on the intense naval combat that once decided the colonial fate of Mauritius in these very waters.

Best time to visit & climate

The most pleasant time to visit is Jul–Sep.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °C272727272524232323232526
Rain mm130119135904830252529313251

📋 Practical info

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Visiting
The fortification ruins on Ile de la Passe are only reachable by boat and can be freely explored - the site is unsecured. Visiting is possible during daylight, but be careful of uneven stones and crumbling walls.
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Typical hours
Since the island is uninhabited, there are no opening hours - access is at your own risk during daylight. Trips are usually arranged with local boat operators who depart by appointment.
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Photography
Photography is allowed everywhere on the island - the ruined casemates and wide sea views make great subjects. A wide-angle lens works well to capture the entire complex.
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Time needed
Allow about 1 to 2 hours for exploring the ruins and the surrounding coastline. The boat ride from Grand Port or Mahebourg adds roughly 20 minutes each way.
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Combine with
Combine the visit with a trip to the nearby Ile aux Fouquets Lighthouse - both islands lie in the same bay. A detour to historic Grand Port and its museum is also worthwhile.
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Getting there
Access is solely by boat; private operators in Mahebourg or Grand Port arrange trips to the island. It is advisable to arrange in advance with a fisherman or tour guide.
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Insider tip
Wear sturdy footwear as the terrain is very uneven and littered with debris - sneakers or hiking shoes are good. Bring insect repellent since mosquitoes may be present on the island.

Geography

Coordinates
-20.39850, 57.78820

Facts

  • Battle of Grand Port 1810
  • Strategic bay entrance
  • Napoleonic era site
  • Ruins of military barracks
  • French and British history
  • National heritage site

Explore nearby

Notable places around

Ile aux Fouquets LighthouseIle aux Fouquets Lighthouse<1 km · NExplore →
Ile de la PasseIle de la Passe2 km · SExplore →
Pointe du Diable BatteryPointe du Diable Battery4 km · SEExplore →
OlivierOlivier6 km · SExplore →
Fort Frederik HendrikFort Frederik Hendrik7 km · SExplore →
Grand River South EastGrand River South East7 km · EExplore →
Ile aux CerfsIle aux Cerfs8 km · EExplore →
Bois des AmourettesBois des Amourettes8 km · SExplore →

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

Vehicle
Only stops with (optional):

© OpenStreetMap contributors · OpenRouteService

Sights in the town Ile de la Passe Fortifications (1)

île au Phare

A small island off the coast of Mauritius with the ruins of an old lighthouse.

Sights nearby

Frequently asked questions

What is the historical significance of Ile de la Passe?
It was a strategic point during the Battle of Grand Port.
How to get to the island?
Only by boat trip from Mahebourg or Pointe Jérome.
Is it allowed to enter the ruins?
Yes, you can explore the remains of the old fortress.
Is there tourist infrastructure there?
No, the island is uninhabited and has no facilities.
How long is a trip?
A half-day boat trip is common.
Ile de la Passe Fortifications: where is it located?
Ile de la Passe Fortifications is located in Mauritius.
Ile de la Passe Fortifications: when is the best time to visit?
The most pleasant time to visit is Jul, Sep.
Ile de la Passe Fortifications: why is it worth visiting?
Ile de la Passe is a small, rocky islet off the southeast coast of Mauritius, standing guard at the entrance to the historic Bay of Grand Port.
View on map → The Top 50 Attractions → OpenStreetMap →
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Nearby cities

Port Louis — Ile de la Passe Fortifications (Mauritius)
Port Louis
Port Louis is the capital of Mauritius and the country's economic hub.
Vacoas-Phoenix — Ile de la Passe Fortifications (Mauritius)
Vacoas-Phoenix
Vacoas-Phoenix is one of the most populous municipalities in Mauritius.
Vacoas — Ile de la Passe Fortifications (Mauritius)
Vacoas
Vacoas is located in the heart of the island and is known for its cooler temperatures.
Curepipe — Ile de la Passe Fortifications (Mauritius)
Curepipe
Curepipe, also known as 'La Ville Lumière', is the highest town in Mauritius.
Triolet — Ile de la Passe Fortifications (Mauritius)
Triolet
Triolet is one of the longest villages on the island, located in northern Mauritius.
Goodlands — Ile de la Passe Fortifications (Mauritius)
Goodlands
Goodlands is a bustling village in northern Mauritius that serves as an important economic hub for the region.
Bel Air Rivière Sèche — Ile de la Passe Fortifications (Mauritius)
Bel Air Rivière Sèche
Bel Air Rivière Sèche is a large village in eastern Mauritius.
🗺️
Centre de Flacq
Centre de Flacq is the main village of the Flacq district in eastern Mauritius.
Olivier — Ile de la Passe Fortifications (Mauritius)
Olivier
Olivier is a small village in the Grand Port district.
Mahébourg — Ile de la Passe Fortifications (Mauritius)
Mahébourg
Mahébourg is a historic coastal town in the southeast of the island.
Saint Pierre — Ile de la Passe Fortifications (Mauritius)
Saint Pierre
Saint Pierre is a centrally located village in the Moka district.
Le Hochet — Ile de la Passe Fortifications (Mauritius)
Le Hochet
Le Hochet is a densely populated village in the Pamplemousses district, just north of the capital Port Louis.
Riche Terre — Ile de la Passe Fortifications (Mauritius)
Riche Terre
Riche Terre is located on the outskirts of Port Louis.
Mont Choisy — Ile de la Passe Fortifications (Mauritius)
Mont Choisy
Mont Choisy is famous for its kilometer-long, arc-shaped sandy beach.
Trou aux Biches — Ile de la Passe Fortifications (Mauritius)
Trou aux Biches
Trou aux Biches is an upscale coastal village in the northwest.

History & landmarks

Curepipe Town Hall — Ile de la Passe Fortifications (Mauritius)
Curepipe Town Hall
A fine example of colonial wooden architecture in the center of Curepipe.