The condensation trails in the sky were visible for miles.

The hash trails in this area are well-marked and easy to follow.

The carpenter swept up the sawdust trails after finishing the project.

Trail bikes are popular among outdoor enthusiasts.

The trail hands worked together to drive the cattle across the open range.

There are many trail heads in this national park.

The construction site had several trailing trucks lined up.

I found a beautiful patch of trailing arbutuses in the forest.

I looked up and saw the vapor trails of the airplanes crisscrossing the sky.

The sky was filled with vapour trails from the passing airplanes.