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Utwe Biosphere Reserve

A community-run mangrove and reef reserve on Kosrae, paddled by kayak.

Updated 3 September 2026

WhereKosrae
Nearest cityTofol
Best seasonDecember to March
Time to allowHalf a day
Getting thereAt Utwe on southern Kosrae; road then kayak or boat
EntryReserve and guide fees

The Utwe reserve on southern Kosrae was set up by the community and became a UNESCO biosphere reserve, covering mangrove channels, seagrass, reef and a stretch of forest behind. Kayaks go up the mangrove channels from the village, which is the way to see it: narrow tunnels of roots, mudskippers, crabs and the occasional monitor. The reef outside is in good condition. It was the first community-managed conservation area in the Federated States and became the model that other villages copied. The reserve also runs a small visitor centre in the village explaining the mangrove system.

The landscape

  • The mangrove channels - narrow root tunnels paddled by kayak.
  • The community management - a reserve set up and run by the village.
  • The seagrass and reef - the marine part of the protected area.
  • The biosphere designation - the UNESCO listing covering the whole system.

When to go

December to March is the drier season. Tide governs which channels are passable. Rain falls in every month on Kosrae.

Good to know

Trips must be arranged with the community and there is no walk-up operation. Mosquitoes in the mangroves are severe. Kayaking the narrow channels needs some fitness.

Nearby

Menke is inland, and Sipyen Falls is nearby.

Key facts

Location5.1600° N, 162.5700° E · map

Source: Wikidata, item Q22806747, read on 18 October 2026.

What to pack for Utwe Biosphere Reserve

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

  • Broken-in walking shoes or boots - Grip and ankle support matter more than looks; never hike in brand-new boots. Find on Amazon
  • Quick-dry clothing - Board shorts or synthetics that shrug off spray and dry fast. Find on Amazon
  • Layers + a waterproof shell - Mountain weather turns fast; a packable rain jacket saves the day. Find on Amazon
  • Secure water shoes or reef boots - Grip on slippery launches and protection on rocky shores. 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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