Backcountry skills中文
Finding Direction Without a Compass
An analog watch, the shape of a tree, the night sky — rough ways to find direction when you have no compass, and where they stop working.
In short
Without a compass, you can estimate direction from an analog watch (point the hour hand at the sun; the midpoint between it and 12 o'clock is south), from vegetation (lusher growth faces south in the Northern Hemisphere), or from the North Star. These methods give only a rough bearing — in complex terrain, carry a compass and learn to read a map.
The Watch Method
In the Northern Hemisphere, point the hour hand at the sun. The direction halfway between the hour hand and 12 o'clock points south. South of the equator, the same construction points north instead.
Reading Nature
- Trees: denser, lusher growth on the south side.
- Tree rings: the wider-spaced rings face south.
- Moss: it prefers shade and moisture, so it grows mostly on the north side.
- Ant nests: usually built on the south side.
The Stars
- Northern Hemisphere: find the Big Dipper. Extend the line between the two stars at the end of the bowl about five times its length — it lands on Polaris, the North Star.
- Polaris sits almost exactly over true north.
⚠️ All of these methods give only an approximate direction. In complex terrain, carry a compass and learn map reading before you need it.