• geocaching
    Maps and logbooks are geocaching tools.

    Photograph by Alexander De Block, MyShot

    Free Cache
    According to geocaching.com, there are more than 800,000 active caches hidden around the world.

    Geocaching is a type of global treasure hunt of people looking for caches, or hidden stashes of objects. Geocaching may also be described as a series of hide-and-seek games, where hiders provide online clues for seekers. Seekers use global positioning system (GPS) devices to find hidden caches.

    Caches are the hidden treasure. After registering online, geocachers look for coordinates (the longitude and latitude) of caches. Caches have two or three parts: a waterproof container, a logbook to list the people who visit the cache, and sometimes a low-cost trinket or geocoin. (Geocoins are metal medallions made by individual geocachers or organizations. Like other cache items, geocoins are not worth much money.) Common caches are foreign currency, keychains, ornaments, or booklets. Valuable objects, food, or other items that could be easily damaged are not allowed in geocaching.

    Although caches can be hidden (as false rocks or behind real ones), they are not buried. Latitude and longitude provide the caches location. Geocachers also give clues online. For example, a cache may be hidden on one side of a tree, or may only be visible from a certain angle. Because geocachers want the hobby to remain safe for people of all ages, caches are located 150 feet from roads or railroad tracks.

    Some caches are drive-up (also called cache and dash), but most require a good walk. For this reason, geocachers are advised to bring a map, a GPS device, an extra set of clean clothes, and an umbrella.

    Since geocaching is generally an outdoor activity, the participants are required to know their environment. Travelers sometimes get to know an area they are visiting by trekking to find caches, while weekend geocachers notice features in their own habitat.

    Geocaching is a way to learn about the environment and help clean it up. Cache in, trash out is a common activity. Earthcaches (developed by the Geological Society of America) provide educational lessons about the physical geography of the caches region.

    The hobby has changed a little since its start in Oregon in 2000, when it was called geostashing. Geocaching was started by a group of people who were interested in technology and geography. They used GPS devices and the Internet to re-invent the older hobby of letterboxing. Letterboxing is a lot like geocaching, but the clues are provided in booklets or other printed material.

    As geocaching has grown, virtual caches, or caches that dont involve an actual physical object, are no longer allowed. Most of the time, these virtual caches involved getting geocachers to a historical site or scenic vista. Waymarking is similar to virtual geocaching. Waymarking clues lead participants to interesting spots or trails. National parks and wilderness areas do not allow geocaching, although some encourage waymarking as a good way to see the area.

    Many state and local parks organize or participate in their own geocaching events. Some may be tied to historical or seasonal events (a Mardi Gras geocache in New Orleans, Louisiana, for example) or may focus on local environmental opportunities (a canoe-in event in Minnesota.)

    Geocaching has evolved from a small hobby to huge, well-organized treasure hunts for people of every age and ability. There are nonprofit organizations, as well as businesses for geocaching. The largest is geocaching.com.

  • Term Part of Speech Definition Encyclopedic Entry
    cache Noun

    the object of a geocaching treasure hunt. A geocache is usually a small box or item hidden on public or private land, usually with a logbook and trinket.

    coordinates Noun

    a set of numbers giving the precise location of a point, often its latitude and longitude.

    currency Noun

    money or other resource that can be used to buy goods and services.

    environment Noun

    conditions that surround and influence an organism or community.

    geocache Noun

    container used in a treasure-hunting game of hidden objects (geocaches), usually found using a GPS device.

    geocoin Noun

    a metal trinket used in geocaching.

    geography Noun

    study of places and the relationships between people and their environments.

    Encyclopedic Entry: geography
    Global Positioning System (GPS) Noun

    system of satellites and receiving devices used to determine the location of something on Earth.

    habitat Noun

    environment where an organism lives throughout the year or for shorter periods of time.

    Encyclopedic Entry: habitat
    Internet Noun

    vast, worldwide system of linked computers and computer networks.

    latitude Noun

    distance north or south of the Equator, measured in degrees.

    Encyclopedic Entry: latitude
    location Noun

    position of a particular point on the surface of the Earth.

    Encyclopedic Entry: location
    longitude Noun

    distance east or west of the prime meridian, measured in degrees.

    Encyclopedic Entry: longitude
    map Noun

    symbolic representation of selected characteristics of a place, usually drawn on a flat surface.

    Encyclopedic Entry: map
    Mardi Gras Noun

    (Fat Tuesday) celebration the day before the Christian fast of Lent.

    national park Noun

    geographic area protected by the national government of a country.

    nonprofit organization Noun

    business that uses surplus funds to pursue its goals, not to make money.

    physical geography Noun

    study of the natural features and processes of the Earth.

    technology Noun

    the science of using tools and complex machines to make human life easier or more profitable.

    trek Noun

    journey, especially across difficult terrain.

    vista Noun

    view.

    waymarking Noun

    a method of marking the location of interesting places or trails.

    wilderness Noun

    environment that has remained essentially undisturbed by human activity.

    Encyclopedic Entry: wilderness
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