On a compass, which direction is opposite north?
AnswerSouth
North and south sit 180 degrees apart on a compass.
Outdoors · Facts & stats
Outdoor facts & stats
7 fact-checked facts about the outdoors, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What does a map's legend, or key, explain?
AnswerWhat the map's symbols mean
The legend decodes symbols such as trails, campsites, water and roads.
Going deeper
Which star stays nearly fixed in the northern night sky and marks the direction of north?
AnswerPolaris
Polaris, the North Star, sits almost directly above Earth's North Pole, so it barely moves.
What is the main idea of the 'Leave No Trace' principles?
AnswerMinimizing human impact on nature
Leave No Trace asks visitors to pack out trash, stay on trails and leave nature as they found it.
How many degrees are there between two neighboring main compass directions, like north and east?
Answer90
A full circle is 360 degrees, split into four 90-degree quarters by N, E, S and W.
Expert level
What is a 'switchback' on a hiking trail?
AnswerA trail that zigzags up a steep slope
Switchbacks zigzag across a slope so the climb is gentler and erosion is reduced.
In navigation, what is magnetic declination?
AnswerThe angle between magnetic north and true north
Declination is the difference between where a compass points and true geographic north; it varies by location.
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