North Beach.—See Ocean Beach.
Ocean Beach.—The stretch of sea shore between Ari Burnu and No. 2 Post. Sometimes known as North Beach.
Old No. 3 Post.—High ground above Fishermen's Hut. Captured and held for two days by the N.Z.M.R. in May, but eventually abandoned to the Turks; retaken during the August advance.
Olive Groves.—Clumps of trees inland from Gaba Tepe. "Beachy Bill" and other obnoxious Turkish guns were "dug in" in the vicinity.
Otago Gully.—Near No. 3 Post. The Otago Mounted Rifles had their headquarters hereabouts during June and July.
Overton Gully.—A gully named to commemorate Major Overton, Canterbury Mounted Rifles, a keen officer who directed the scouting and reconnoitering on the left flank. He was killed on August 7 while leading Cox's Indian Brigade up the Aghyl Dere.
Owen's Gully.—A gully in Turkish territory between Johnston's Jolly and Lone Pine; named after Brigadier-General Cunliffe Owen, the artillery commander of the A.N.Z.A.C.
Phillip's Top.—Near the bottom and on the southern side of Shrapnel Valley there was a low ridge called "The Razor Back," which, running up towards the firing line, became known as Phillip's Top, after Major Phillips, of the Australian Field Artillery.
Pimple, The.—A salient in the Australian line just opposite the Turkish Lone Pine trenches; this Pimple became the Lone Pine Salient.
Pine Ridge.—A Turkish position opposite the extreme right flank of Anzac.