Antipode finder

Dig straight down. Where do you come out?

Pick any spot on Earth, down to your own street. A straight tunnel through the planet's centre always surfaces at the exact opposite point. Find yours, take the trip, or play today's Daily Dig.

Daily Dig

Today's tunnel starts in …. Where does it come out?

Tap the right-hand map where you think the tunnel surfaces. Zoom in to be precise, then lock in your guess with the button under the map. One guess per day.

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Your Daily Dig history

Your last 14 games. Saved in this browser only.

Play today's Daily Dig to start your history.

    You dig from

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    Zoom in and click the exact spot you want to dig from.

    You come out in

     

     

     

    No guess yet

    This map follows your zoom, so you see the same scale on both sides.

    Where does your tunnel come out? Press Dig the tunnel to find out.

    Your guess shows in yellow. After you lock it in, the real exit appears in orange.

    At the other end

    Right now
    Where you dig–
    Where you come out–

    Sun time, worked out from the sun's position. Clock time can differ, because time zones follow borders.

    Fun fact about where you come out

      Land and water shares worked out from Natural Earth map data.

      Nearest town to the exit

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      About

      Around the exit point within 10 km

        Descriptions and photos from Wikipedia, available under CC BY-SA.

        Tunnel length
        12,742 km
        Fall time, no air
        about 42 min
        Sun time there
        12 h apart
        Seasons there
        opposite
        Start Exit

        What the tunnel goes through

        Every straight tunnel to the antipode passes through the exact centre of the Earth. Drop something in and, with no air and no friction, it would fall for about 42 minutes, reach the other side, and fall back again.

        • Crust5–70 km
        • Mantleto 2,890 km deep
        • Outer core, liquidto 5,150 km
        • Inner core, solid6,371 km = centre