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Fort Karl

Swedish-era fort remains on the headland between Gustavia and Shell Beach.

Updated 22 October 2026

Typefort
WhereGustavia
Nearest cityGustavia
Best seasonDecember to April
Time to allowAn hour
Getting thereOn the headland above Shell Beach; short steep walk up from the road
EntryFree

Sweden held Saint Barthelemy from 1784 to 1878 and built three forts over the harbour at Gustavia, of which Karl on the headland south of the town is the one you can walk up to. Very little stands: low walls, a cleared platform and the outline of the works. The reason to go is the position, looking down on Shell Beach on one side and the harbour on the other. The two other forts over the harbour, Gustav and Oscar, are not open in the same way.

History

The Swedes built the fort in 1789 to protect Gustavia's harbour and its salt trade from attack from the south, naming it after Karl XIII; it was one of three forts round the town, with Fort Gustav and Fort Oscar, and its remains are now a protected site managed by the Conservatoire du littoral (Wikipedia, Fort Karl).

What you'll find

  • The low walls - what remains of the Swedish fortification.
  • The platform - the cleared summit where the guns stood.
  • The harbour view - Gustavia and its anchorage below.
  • The Swedish period - the century the island was held from Stockholm.

When to go

December to April is the dry high season. Mornings are cooler for the climb. The path is slippery after rain.

Good to know

Almost nothing of the fort survives and there is no interpretation. The path up is steep, rough and hot. Ten minutes covers the site itself.

Nearby

Shell Beach is below, and Gustavia is north.

Key facts

Local namefort Karl (French)
Location17.8941° N, 62.8503° W · map

Source: Wikidata, item Q65150705, read on 18 October 2026.

What to pack for Fort Karl

Chosen from what this place is for. Tap a kit for the full checklist.

  • Comfortable walking shoes - Sightseeing means kilometres of pavement and cobbles daily. Find on Amazon
  • A slim anti-theft daypack - Zips that close properly; keep it in front in crowds and on transit. Find on Amazon
  • A refillable water bottle - Many cities have public fountains; save money and plastic. Find on Amazon
  • A light layer + compact umbrella - For museum air-con and a sudden shower. Find on Amazon

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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