A Georgia swamp is now World Heritage, and the reason is what is under it

The Okefenokee National Wildlife Refuge, in southeastern Georgia and northeastern Florida, went onto the World Heritage List in July. The citation's claim is specific: the largest lowland freshwater peatland in the subtropical zone anywhere in the world.

Peat is the argument. It is waterlogged, half-rotted plant matter that has been piling up faster than it decays, and the pile is simultaneously two things — a carbon store, and a layered archive of past environments that can be read downward like tree rings.

Fire is part of the machinery

A swamp that burns sounds like a swamp going wrong. Here it is the mechanism. The citation describes a mosaic of wetlands, savannas and forests shaped by the interaction of water, fire, vegetation and wildlife, with alternating fire and rainfall driving peat formation, vegetation structure and the biodiversity that follows.

Inside it sit significant stands of longleaf pine savanna — a habitat of which less than 3 per cent now remains — carrying high concentrations of plants found only in that region.

Where it sits on the list

It was one of 25 sites inscribed at the committee's 48th session in Busan, Republic of Korea, from 19 to 29 July 2026, all adopted by consensus. Comoros, São Tomé and Príncipe and South Sudan received their first inscriptions ever in the same session.

If you go

This is a refuge, not a park: the visiting infrastructure is boardwalks, boat runs and canoe trails rather than a rim road, and the water level decides what is passable. Check conditions with the refuge before committing to a route.