Pole of Inaccessibility

geography · maps · extreme places

The Ultimate Bullseye. A pole of inaccessibility is like finding the absolute center of a target, but for real places on Earth. It's the spot that's farther from any coastline or boundary than any other point in that area.

Measuring Distance. Imagine drawing the biggest possible circle that fits completely inside a landmass or ocean without touching the edge. The pole of inaccessibility is right in the middle of that circle, making it the most remote spot you could possibly reach.

Different for Different Places. Every landmass and ocean has its own pole of inaccessibility. Africa's pole is in one spot, Antarctica's is in another, and the Pacific Ocean has its own version too, all depending on where the coastlines are.

Changing with Maps. If mapmakers redraw coastlines because they discover new information, the pole of inaccessibility can shift slightly. The exact location depends on how precisely we define where the land or water actually ends.

Extreme Remoteness. These poles mark some of Earth's most isolated and hardest-to-reach locations, often in deserts, frozen wastelands, or the middle of vast oceans where almost nobody ever ventures.