Geocaching is a high-tech treasure hunt. The basics of it are this: Someone hides a container on public land, gives the coordinates, and others go in search of it. The container (called a geocache) can be any size, from just an inch or so up to large ammo containers. They need to be weather-resistant and preferably waterproof. The container usually contains a log book (for finders to log that they've discovered the "cache"), and often small trinkets (stickers, key chains, toys, etc.) for trading.
In geocaching, the real joy is the adventure on the way to finding a geocache. Often it takes the geocacher to a unique spot with either an interesting landscape or history behind the location. Many times the trek involves hiking through woods or over rough terrain. In all cases, it's best to be well-prepared, and I'd like to offer a comprehensive list of items that will be helpful to any geocacher out on an adventure.
First and foremost, you'll need a GPS receiver. (While it's possible to program coordinates into a vehicle's navigational system, a handheld device is highly preferable.) It's a good idea to take extra batteries along with you. Using low batteries can actually distort your accuracy and lend to difficulty in finding the hidden cache.
A first aid kit is another essential item. Prepare for the worst, they always say. There are many dangers out there, as well as minor irritants that can be easily dealt with using items found in a well-supplied first aid kit. A few other items pertaining to the same general care include sunblock (don't forget SPF lip balm, too) and insect repellant (preferably one that repels ticks as well as others).
Other supplies should include water, rain ponchos, extra socks (even an extra pair of shoes couldn't hurt), and a flashlight (forests can get dark even during the day). Some supplies pertain to the maintenance of geocaches themselves. Although the cache owner is strictly required to maintain the cache, sometimes those finding the cache can lend a hand. It's a good idea to have a supply of log books (to replace full or damaged ones), extra pens or pencils, and even storage bags or cache containers. It's always a good idea to notify cache owners if maintenance is performed or is still needed.
Another great part of geocaching is CITO, or "Cache In, Trash Out." Many geocachers are passionate about protecting and preserving the environment. Some caching trips may take you through areas polluted with trash and debris. It can be a great idea to take trash bags along with you and help clean up otherwise beautiful nature areas.
In your own geocaching experiences, you'll find what works best for your own supplies; these are just my suggestions from my own experience over my last four years of geocaching. It's a good idea to regularly check your supplies, particularly at the start of each season. Check expiration dates on items like sunblock and insect repellant. Replace any items that need replacing and keep your bags well-stocked. You can have a bag or backpack set up with supplies just for geocaching, so you'll always be ready to head out for a find.
The most important part of geocaching is the most fun part - the adventure to the cache. Having adequate supplies only ensures that you'll have a great time. Happy caching!
Tonia Jordan is an author on http://www.Writing.Com which is a site for Writers.
Her portfolio can be found at http://www.Writing.Com/authors/spidergirl so stop by and read for a while.