A contour line is the line on a map joining points of equal height. Count the contour lines.
Lines close together mean steep ground, and a cliff is where they nearly touch. A contour line that closes in a ring is either a hilltop or a hollow, and you must read which.
1nouncontour lineThe line on a map joining points of equal height.
“The contour lines were almost touching for half a mile.”
contour line is a line.
Practised in Camping & Outdoors