What Is The Contour Interval?

Are you curious to know what is the contour interval? You have come to the right place as I am going to tell you everything about the contour interval in a very simple explanation. Without further discussion let’s begin to know what is the contour interval?

The contour interval stands as a fundamental aspect of map reading and topographical understanding. This comprehensive guide aims to unravel the nuances of contour intervals, their significance on maps, calculations, and practical implications.

What Is The Contour Interval?

The contour interval on a map signifies the vertical distance or elevation between adjacent contour lines. It acts as a key parameter in representing changes in terrain, helping map readers comprehend the landscape’s elevation variations.

Significance Of Contour Intervals On Maps

Contour intervals serve as vital indicators, portraying the elevation changes and topographic features of an area. By interpreting these intervals, individuals can visualize slopes, valleys, hills, and peaks, providing a three-dimensional perspective on a two-dimensional map.

Understanding The Contour Interval Formula

The contour interval formula involves determining the difference in elevation between two adjacent contour lines. This calculated value represents the contour interval for that specific map, aiding in accurate interpretation of elevation changes.

Utilizing A Contour Interval Calculator

For ease and precision in determining contour intervals, contour interval calculators are available. These tools streamline the calculation process, allowing users to input elevation data and obtain the contour interval value efficiently.

Contour Interval Example: Visualizing The Concept

Consider a map with contour lines depicting elevations. If the difference in elevation between two adjacent contour lines is 50 meters, then the contour interval for that map is 50 meters. This example illustrates the practical application of contour intervals.

The Role Of Contour Lines

Contour lines, integral components of topographic maps, represent specific elevations. Each line connects points of equal elevation, and the contour interval determines the vertical distance between these lines.

Understanding Index Contours

Index contours are prominent contour lines labeled with their elevation values. These lines often serve as reference points, providing key elevation information at regular intervals and aiding in map interpretation.

Exploring Contour Interval Synonyms

Synonyms for contour intervals include terms like elevation intervals, altitude intervals, or relief intervals. These synonyms capture the essence of representing elevation changes on maps through equidistant contour lines.

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Analyzing Steep Slope Contour Lines

Steep slope contour lines, characterized by close proximity, indicate rapid elevation changes or steep terrain. The clustering of contour lines signifies steep slopes or cliffs, allowing readers to identify areas with significant elevation differences.


In conclusion, the contour interval serves as a cornerstone in deciphering topographical maps. Its role in depicting elevation changes, slopes, and terrain variations empowers map readers to visualize landscapes accurately. Understanding contour intervals, lines, index contours, and their implications equips individuals with the skills to interpret maps effectively, facilitating navigation, planning, and exploration of diverse terrains.


What Is A Contour Interval?

A contour interval is the vertical distance or difference in elevation between contour lines.

What Is The Contour Interval Quizlet?

contour interval. the difference in altitude represented by the space between two contour lines on a map any of the spaces between vertical lines on a topographic map or globe. Contour line. a line on a map joining points of equal height above or below sea level.

What Is The Meaning Of Contour Level?

In cartography, a contour line (often just called a “contour”) joins points of equal elevation (height) above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

What Is The Most Appropriate Contour Interval?

The elevation difference between adjacent contour lines, called the contour interval, is selected to best show the general shape of the terrain. A map of a relatively flat area may have a contour interval of 10 feet or less. Maps in mountainous areas may have contour intervals of 100 feet or more.

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What Is The Contour Interval Of This Map

What Is The Contour Interval Of The Map

What Is The Contour Interval?

What Is The Contour Interval Of This Map?

What Is The Contour Interval On A Map

What Is The Contour Interval Formula

What Is The Contour Interval Calculator

Contour Interval Example

Contour Lines

Index Contour

Contour Interval Synonym

Steep Slope Contour Lines

What Is The Contour Interval