American Birkebeiner - From Cable to Hayward. This is the largest cross country ski marathon in North America. News, sponsors, race information, and contact information.
Wild Wisconsin - Features Wisconsin backpacking train information, reviews, data, photographs, resources and a discussion board.
Wisconsin Buck and Bear Club (WBBC) - Official big game records keeper for the state of Wisconsin. Locate a WBBC, Pope and Young, or Boone and Crockett scorer. Search the records books.
Wisconsin Geocaching Association - Dedicated to promoting the activity through out the state. Features message boards, links, maps, membership information and photos.
Wisconsin Outdoor - Guide to Wisconsin outdoor news, activities, events, resort listings and reports for hunting and fishing from around the state.
Wisconsin Outdoor News - A magazine with information about hunting, fishing and statewide outdoor news.
Wisconsin Speleological Society - Has chapters in Green Bay and Madison. Promotes exploration and study. Includes membership information, events, trip schedules and contacts.
Wisconsin Upnorth - Serving northern Wisconsin. Live weather, web cam, and area hiking information.
Wisconsin Waterfowl Association - State-wide non-profit wetlands, waterfowl, hunting and conservation organization whose mission is to conserve Wisconsin's waterfowl and wetlands resources.