Terrain 513
Sun Tzǔ said: We may distinguish six kinds of terrain, to wit: (1) Accessible ground; 514 (2) entangling ground; 515 (3) temporizing ground; 516 (4) narrow passes; (5) precipitous heights; 517 (6) positions at a great distance from the enemy. 518
Ground which can be freely traversed by both sides is called accessible . 519