Examine the OS map of Macroom on the previous page and answer the following questions.
1. In what sub-zone is Macroom located?
2. In what direction would a person be travelling if they left Macroom via the N22 heading left? (Be as detailed in your answer as possible.)
3. Calculate the area of the OS map extract given.
4. Calculate the area of the reservoir to the south/southeast of Macroom.
5. Give the four-figure grid reference for Cill na Martra Mountain, located in the northwest of the map.
Key Words
Altitude Height
Triangulation stations
Spot heights Contours Slope
Cross-sections
Triangulation stations: These are black triangles with the altitude measurement written beside them. They can show the height of mountain peaks and can be the highest point on a map.
Colour coding can also be used to show height. Land under 200 m is shown in different shades of green. Higher land is shown in shades of brown, which get darker as height increases.
82 7.6 Altitude (Height) on an
OS Map Altitude or height is shown in metres above sea level on an OS map. It is shown in four different ways.
Contours: These are lines that join places of equal height. Look for the contours with a number beside them to see the height of that area.
6. Give a four-figure grid reference for the forested area in the southwest of the map.
7. Give the six-figure grid reference for the nature reserve to the south of the reservoir.
8. Give a six-figure grid reference for an 18-hole golf course south of Macroom town.
9. What feature is found in W 36 69?
10. Identify the river feature at W 293 695.
Spot heights: These are black dots with the altitude measurement written beside them. They show specific heights for places.