1 INTRODUCTION TO NAVIGATION Reading a map is

3 MAP TYPES 1: 50000 Landranger 1: 25000 Explorer Best to check date of

6 AUDIENCE PARTICIPATION! WHERE AM I? Give everyone 4 or 5 Grid References from

7 MEASURING SCALE 1: 25 000 OS Explorer 1: 50 000 OS Landranger It

8 AUDIENCE PARTICIPATION! MAP SYMBOLS Split into groups and identify the symbols

19 MEASURING DISTANCE Grid squares String method Straight edge Map measurer

20 AUDIENCE PARTICIPATION! FIND YOUR WAY Give everyone 3 or 4 end points and

21 TIMING YOUR WALK When looking at timings for your walk consider: • walking

22 FURTHER GUIDANCE AND SUPPORT More advice and guidance can be found at the

Slides: 22

Download presentation

1 INTRODUCTION TO NAVIGATION Reading a map is an essential skill for planning a walk and for knowing where you are. You don’t need to be able to use a compass to lead a low level walk, but it can help. It is however essential to be competent in using a compass for leading remote and challenging walks.

2 MAPPING BASICS

3 MAP TYPES 1: 50000 Landranger 1: 25000 Explorer Best to check date of issue as landmarks can change over time. Other maps are available, such as Harvey's.

6 AUDIENCE PARTICIPATION! WHERE AM I? Give everyone 4 or 5 Grid References from the map and ask them to identify what they find there

7 MEASURING SCALE 1: 25 000 OS Explorer 1: 50 000 OS Landranger It might help you to remember that the larger the number in the scale, the smaller the scale of the map will be.

8 AUDIENCE PARTICIPATION! MAP SYMBOLS Split into groups and identify the symbols

9 CONTOURS How high is each hill?

Contours closer together at top

Contours closer together at bottom

AUDIENCE PARTICIPATION! 12

13 MAP FEATURES

PARTS OF A COMPASS 14

15 ALIGNING THE MAP WITH THE REAL WORLD

16 (bridge) (building)

17 Read the bearing off here

18 To follow the bearing:

19 MEASURING DISTANCE Grid squares String method Straight edge Map measurer

20 AUDIENCE PARTICIPATION! FIND YOUR WAY Give everyone 3 or 4 end points and ask them to identify what they are, the distance from each start to each end point and the bearing between them EXAMPLE START POINT GR X WHAT IS FOUND THERE? END POINT GR Y WHAT IS FOUND THERE? BEARING FROM X TO Y AND DISTANCE 438005 High House 405013 Youth Hostel at High Cross Castle 285 degrees 3. 38 km

21 TIMING YOUR WALK When looking at timings for your walk consider: • walking speed (vary with terrain, stiles, party etc) Kph mins per km 3 3. 5 20 17 4 15 4. 5 5 13. 3 12 • Climbing hills – Naismith’s rule 30 mins extra per 300 m ascended (1 min per 10 m contour line) • Stops, including comfort breaks, lunch, etc… • Contingency

22 FURTHER GUIDANCE AND SUPPORT More advice and guidance can be found at the walk leaders pages of the Ramblers website: www. ramblers. org. uk/Volunteer/Area. Group/Resources/Led+Walks. htm or email ledwalks@ramblers. org. uk Thanks to all Ramblers groups whose websites were the source of some of the pictures.