| No. | Item | Definition |
|---|---|---|
| 1. | altitude | height above sea level |
| 2. | amphibian | an animal living on land and water |
| 3. | aspen | a poplar with trembling leaves |
| 4. | avalanche | a sudden slide of snow |
| 5. | backcountry | remote undeveloped park land |
| 6. | bear | a large wild mammal |
| 7. | beaver | a dam-building rodent |
| 8. | bison | a large shaggy bovine |
| 9. | boardwalk | a raised walkway over wet ground |
| 10. | bobcat | a small wild cat |
| 11. | boundary | the edge of an area |
| 12. | burn ban | temporary ban on open fires |
| 13. | campfire | an outdoor fire at camp |
| 14. | campground | an area for camping |
| 15. | campsite | a place to pitch a tent |
| 16. | canopy | the upper layer of trees |
| 17. | canyon | a deep narrow valley |
| 18. | cliff | a steep rock face |
| 19. | cougar | a large wild cat |
| 20. | coyote | a North American wild canine |
| 21. | deer | a hoofed grazing mammal |
| 22. | dehydration | dangerous lack of body water |
| 23. | dispatch | coordination of field communication |
| 24. | eagle | a large bird of prey |
| 25. | ecosystem | a community of organisms and environment |
| 26. | elk | a large deer species |
| 27. | erosion | wearing away of soil or rock |
| 28. | evacuation | organized movement to safety |
| 29. | firewood | wood burned for campfires |
| 30. | first aid | immediate basic medical help |
| 31. | flashlight | a portable electric light |
| 32. | flood | overflowing water covering land |
| 33. | footbridge | a small bridge for walkers |
| 34. | forecast | a prediction of weather |
| 35. | forest | land covered with trees |
| 36. | fox | a small wild canine |
| 37. | gate | a movable entry barrier |
| 38. | glacier | a slow-moving mass of ice |
| 39. | habitat | the natural home of a species |
| 40. | hawk | a hunting bird of prey |
| 41. | hazard | a source of danger |
| 42. | heatstroke | severe overheating illness |
| 43. | hydration | maintaining enough body water |
| 44. | hypothermia | dangerously low body temperature |
| 45. | incident | an event requiring attention |
| 46. | insect | a six-legged arthropod |
| 47. | interpreter | a guide explaining natural history |
| 48. | lake | a large inland body of water |
| 49. | landslide | a mass of earth sliding down |
| 50. | leave no trace | minimize impact on nature |
| 51. | lichen | a fungus-algae partnership |
| 52. | lightning | a flash of electrical discharge |
| 53. | lookout | a high observation point |
| 54. | map | a drawing of an area |
| 55. | marsh | a grassy wetland |
| 56. | meadow | an open grassy field |
| 57. | moose | a very large deer |
| 58. | navigation | finding and following a route |
| 59. | oak | a hardwood tree with acorns |
| 60. | observation | careful watching and noting details |
| 61. | otter | a playful semiaquatic mammal |
| 62. | overlook | a scenic viewing point |
| 63. | owl | a nocturnal bird of prey |
| 64. | patrol | watching an area regularly |
| 65. | permit | official permission for an activity |
| 66. | pine | a needle-leaved evergreen tree |
| 67. | plateau | an elevated flat area |
| 68. | poaching | illegal hunting or capturing wildlife |
| 69. | pond | a small still body of water |
| 70. | raccoon | a masked nocturnal mammal |
| 71. | ranger | a park protection officer |
| 72. | reptile | a cold-blooded scaled vertebrate |
| 73. | rescue | saving someone from danger |
| 74. | restroom | a public toilet facility |
| 75. | ridge | a long narrow highland |
| 76. | river | a large natural watercourse |
| 77. | salmon | a migratory fish |
| 78. | shrub | a small woody plant |
| 79. | skunk | a spraying black-and-white mammal |
| 80. | spring | water flowing from the ground |
| 81. | storm | violent weather with wind or rain |
| 82. | stream | flowing water in a channel |
| 83. | summit | the highest point |
| 84. | swamp | a wooded wetland |
| 85. | tent | a portable fabric shelter |
| 86. | thunderstorm | a storm with thunder and lightning |
| 87. | trail | a path through natural land |
| 88. | trailhead | the start of a trail |
| 89. | trash | waste material to discard |
| 90. | trout | a freshwater game fish |
| 91. | valley | low land between hills |
| 92. | vulture | a scavenging bird |
| 93. | waterfall | water dropping over a ledge |
| 94. | watershed | land draining to one water system |
| 95. | weather | atmospheric conditions at a time |
| 96. | wetland | waterlogged land with special plants |
| 97. | wildfire | an uncontrolled outdoor fire |
| 98. | wildflower | a flower growing naturally |
| 99. | wildlife | animals living in the wild |
| 100. | wolf | a wild canine predator |