A map of the area:
http://www.earthisland.org/cbn/tumenmap.html .
1. There are two points where China is extremely narrow.
2. The cnru boundary doesn't run through the pond (or maybe for a
very short stretch). The pond also is a bit bigger than that. Let's
call it a lake.
3. China almost reaches the bridge across the Tumen/Tumannaja (on the
kpru border).
Peter S.
--- In BoundaryPoint@y..., "Peter Smaardijk" <smaardijk@y...> wrote:
> It just struck me:
>
> http://www.febras.ru/~imb/trdap/news/rmount.htm :
>
>
> (...) For one stretch, only this road is Chinese, which runs in
> between the old course of the river (the Russian side) and the main
> course (the Korean side) (picture 22). (...)
>
> This is way before (=north of) the tripoint. I.e., on this picture,
> you see three countries, almost running parallel, but no tripoint.
> China forms an isthmus here. I find this very interesting.
>
> Peter S.