Geocaching.com --The main geocaching site
Geocaching.com's Montana Geocaching page
Geocaching.com's geocaches within 40 miles of Libby
Buxley's Geocaching Waypoint
Buxley's Geocaching Map of Montana
Buxley's List of scavanger or locationless reverse caches
"Today's Cacher" - An online geocaching magazine
Custom Geocache Universe - Geocaching supplies

LibbyMT.com --Lots of good information about Libby
BigSkyFishing.com --information about fishing in the area
Kootenai National Forest
Libby.org --information about Libby
Libby Dam Virtual Tour --Libby Dam information

Hughes Mountain Ranch --Try a geocaching vacation here. They supply coordinates, maps and wide open spaces - you will need to bring your spirit of adventure! Ten cache boxes stashed throughout 15 square miles will allow you and your family to scour this wild environment in search of hidden treasure.

Alaska Geocaching
British Columbia Geocaching Association
Black Hills Geocaching
Central Oregon Geocaching
Chicagoland Geocachers
Georgia Geocachers Association
Great Plains Geocaching
Hawaii Geocachers & GPS Enthusiasts (GPS Hawaii)
Houston GeoCaching Society
Idaho Geocachers
Central Illinois Geocaching Association (CIGA)
Indiana Geocaching
Keenpeople.com - Illinois Geocaching site
Louisiana Geocaching
Michigan Geocaching Organization
Middle Tennessee Geocachers
Minnesota Geocaching Association
Montana Missoula Area Cachers Group
Northeast Geocaching
North Texas Geocaching Association
Oklahoma Geocachers
Ozark Mountain Geocachers (Arkansas)
Southern California Geocachers
St. Louis Area Geocacher's Association
The Maryland Geocaching Society
The Official Geocaching Resource of Arizona
Tulsa Area Geocachers
University Geocachers (University of MN)
Utah Association of Geocachers
Utah Cache Games
Washington State Geocaching Association
Wisconsin Geocaching Association

Garmin --GPS manufacturer
Magellan --GPS manufacturer
Topozone --Maps
TerraServer --Aerial Photos and Topo Maps
EasyGPS --Way point management software from TopoGrafix
MacGPS Pro --Way point management and mapping software for Macintosh users
GPS information --GPS reviews, lots of info on all manufacturers
GPS-Planet --GPS hardware, software and accessories