Vocabulary:Hiking / Trekking

A. = Adjective ADV. = Adverb IDM. = Idiom N. = Noun V. = Verb
altitude sickness	N. an illness caused from being at high elevations
a canteen	N. a container used for carrying drinking water
dehydration	N. a physical condition caused by not drinking enough water; having the water removed from something
gear	N. equipment used for a particular purpose (camping, sports, fishing, etc.)
to hike	V. to go on a walk through nature for pleasure or exercise
a hike	N. a walk through nature for pleasure or exercise
a permit	N. written permission from a government office or other organization to do something
a porter	N. a person who carries gear and supplies on a trek
a ranger	N. a person who is employed to take care of a state park or a national park
a trail	N. a path (through forest, grass, sand) created when many people or animals walk back and forth over the same area Marked paths in natural parks and reserves are usually called trails.
to trek	V. to travel by foot over a great distance
a trek	N. a journey over a great distance We often use the word "trek" when a trip lasts several days and is quite challenging.