They'd just have to follow the brook upstream.

They did not follow the river upstream, for it meandered too widely to mark a sensible route.

When I biked in around noon, there was no trace to follow upstream.

He went around the giant's corpse and followed the brook upstream, to where it emerged from the forest.

Why don't you go with them, Barzec, and follow the river upstream.

They followed the river upstream, doing their best to ignore the activities by its bank.

It looked as if they were following the creek upstream.

Following that river upstream, in turn, would bring him back at last to Tasavalta.

If she climbed down, her only possible path would be to follow the river upstream.

Then we walked back to camp, following the river upstream.