>>Hi Hilmar
>>
>>a latitude north of the south pole where 1km south would put you at a latitude where 1km west would be a 1km circle round the south pole bringing your back to your start point then walking 1km back to the north.
>>
>>Nick Mason
>
>That's right. Or you can start a little closer to the South Pole, and walk two circles, three circles, etc., around the South Pole, before going back north.

No bears there though. :-)