The ability to calculate magnetic declination is a crucial skill for anyone venturing into the wilderness, especially for activities like hiking, camping, or navigating off the beaten path. Of course normally you can simply look on line but if you are in an area without internet access you will need to be able calculate the magnetic declination for the area with just the information on your map.
All the information required to calculate magnetic declination manually can be found on your map and, using some very simple maths, you will have a good idea of what the magnetic declination is for that area.
This skill adds a layer of preparedness and confidence for those exploring nature's less-travelled paths.
