At 04:00 on the morning of 25 April the first wave of troops from the 3rd Brigade began moving towards the shore on lighters and the ships' boats. The covering force landed approximately too far north, in a bay just south of Ari Burnu, due to undetected currents or a navigational error. The landing was more difficult, over ground which rose steeply from the beaches, unlike the objective to the south, which was more open. The landing site was garrisoned by only two Ottoman companies but from positions on commanding ground the Ottomans inflicted numerous casualties on the Australians before being overcome. The broken terrain prevented a coordinated drive inland, with the Australians on unfamiliar ground and with inaccurate maps. In the maze of steep ravines, spurs and dense scrub, Australian parties that got forward quickly lost contact and were broken up into small groups. Some Australian troops reached the second ridge but fewer still reached their objectives and having become dispersed, the covering force could provide little support to the follow-up force.