There's only one conclusion to be drawn from it.

They're expecting our army and a prompt attack." Tilden began to show interest.
"On my life, I think you're right," he said.
And yet Montcalm changed his mind again at the last moment.

Two veteran officers, Montguy and Bernes, pointed out to him that his present position was dominated by the adjacent heights, and in order to escape that danger he resolved to retreat a little.

He broke up his camp late in the afternoon of the next day, part of the army fell back through the woods more than a mile, and the rest of it withdrew in boats on the lake to the same point.
Robert and his comrades were carried with the army on land to the fort.

There he became separated from the others, and remained in the rear, but luckily for his wishes, on a mount where he could see most that was passing, though his chance of escape was as remote as ever.
He stood on the rocky peninsula of Ticonderoga.