The priests' walkway was a square path on the top of the mizbeach. It was situated within the area of the horns. It looked like a path of one cubit width and its length was 26 cubits on each of the four sides. * (Source: Midot 3:6).  The Four Horns
Contents:   Part I,    Part II,    Part III,    Part IV,    Part V,    Part VI,    Part VII