Papuan Peninsula, Mountainous peninsula in southeastern Papua New Guinea.
The Papuan Peninsula extends into the Coral Sea and is shaped by tropical rainforests and mountain ranges. The coastline is deeply indented with numerous bays and river deltas that define the landscape.
The earliest human settlements appeared thousands of years ago, showing the region has long been inhabited. The development of agriculture happened independently without outside influences from other parts of the world.
Hundreds of communities live on the peninsula, each speaking their own languages and creating one of the world's most diverse linguistic regions. People have maintained traditional ways of living that show in their daily practices and how they organize their societies.
The peninsula is visited under tropical conditions with humid weather year-round. Visitors should expect challenging terrain and limited infrastructure, especially in remote areas.
The highest mountains in the region reach elevations where temperatures drop well below tropical averages. These dramatic elevation changes create very different climates across relatively short distances.
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