The whole affair was a bloody mess from go to woe. The Kiwis lost almost 3000 ( from approx 15,000 men) and the Aussies 9000 ( from approx 50,000 men). It was a steep mountainous, well defended bluff. Some sources say the ANZACs were given the crappy end of the stick, while the British and French were given flat beaches and rolling ground to take. Some say the landing crafts strayed off course and they were put in peril by mistake.
The fighting was uphill all the way - literally up a cliff. ( which was to be repeated in WW2 in Italy when the Kiwis almost took Monte Cassino - the Maori Battalion playing a major role, the Polish finally taking the Monastery.) The Kiwis, Aussies, Canadians, South Africans, French, etc went on to fight with the British and US in Europe until Germany fell. Each April 25th we have Dawn Parades to mark ANZAC Day. We remember them.