Signal verified · updated 2026-09-03
Grande Comore
Largest island of the Comoros, dominated by the active volcano Mount Karthala and home to the capital Moroni.
- Formation
- volcanic; two shield volcanoes (Karthala active, La Grille extinct); porous young soils, no permanent rivers
- Population
- 379,367
- Water
- Indian Ocean
- Access
- moderate
Every required movement
The passage
to Grande Comore.
Fly to Prince Said Ibrahim International Airport (HAH) at Hahaya; inter-island ferries link Moroni with Anjouan and Moheli.
- 01Prince Said Ibrahim International Airport (HAH), Hahaya
Nearest recorded air access
Schedule or condition may change · verify - 02Water crossing
Inter-island passenger ferries from Moroni port to Mutsamudu (Anjouan) and Fomboni (Moheli).
Schedule or condition may change · verify - 03Entry check
Visa on arrival for most nationalities (Comoros).
Schedule or condition may change · verify
Research, then reserve
These searches open a third-party travel service. Some links may earn Lonely Island a referral fee; ranking never depends on commission.
What the chart cannot hold
What becomes visible when you follow mount karthala beyond the familiar map?
Grande Comore (Ngazidja) is the westernmost and largest island of the Comoros, built from two shield volcanoes. Its capital Moroni is the political and economic centre of the country; the island grows vanilla, cloves and ylang-ylang on fertile volcanic slopes.
Settled by Austronesian and Bantu peoples; Shirazi sultanates from the Middle Ages; French protectorate 1886, colony 1912; independent Comoros since 1975 with Moroni as capital.
Field ledger
The useful
details.
- Coordinates
- 11.60° S · 43.33° E
- Sovereignty
- Comoros · part of country
- Nearest mainland
- Mozambique (~300 km west); Madagascar (~400 km southeast)
- Best recorded window
- May–October (cool dry season).
- Permits / entry
- Visa on arrival for most nationalities (Comoros).
- Languages
- Comorian (Shingazidja), Arabic, French
Community intelligence
Notes from
the crossing.
Share firsthand conditions, access changes, respectful observations, or a question for someone who has been.
No traveler has left a public note here yet.
The empty ledger is part of the mystery—and an invitation to be useful.Travel information changes quickly. This field file was last revised 2026-09-03. Confirm all transport and permit details before booking.