The Granicus was in most places fordable; but there were occasional deeper parts, which had to be avoided; and there was thus some difficulty in reaching the opposite bank in line.

That bank itself was generally steep and precipitous, but offered also several gentle slopes where a landing was comparatively easy.

The Persians had drawn up their cavalry along the line of the river close to the water's edge, and had placed their infantry in the rear.

Alexander consequently attacked with his cavalry.

The engagement began upon the right.