glacier – n. a very large area of ice that moves slowly down a slope or valley or over a wide area of land

region – n. a part of a country, of the world, etc., that is different or separate from other parts in some way

impact – n. a powerful or major influence or effect

province – n. any one of the large parts that some countries are divided into

stream – n. a natural flow of water that is smaller than a river

hike – v. to walk a long distance especially for pleasure or exercise: to go on a hike