Ring trench

from Wikipedia, the free encyclopedia

Ringgraben stands for:

generally circular protective structures, see weir ditch (fortification)
especially a form of investment in castles, see moat # Grabenarten

such as:

Ringgraben (Steyrling) , creek in the Upper Austrian Pre-Alps near Klaus an der Phyrnbahn, Upper Austria
Ringgraben (municipality of Edelsbach) , district of Edelsbach bei Feldbach , district of Southeast Styria, Styria

See also:

Digging - an overview