Backcountry Horsemen of Washington
- A state-wide, not-for-profit organization dedicated to keeping trails open on public lands for all users; educating horse users in Leave-No-Trace practices; and providing volunteer services to resource agencies.
- http://www.bchw.org/

Interagency Committee Boat Facilities
- Clickable map offering locations and information for public boat launch facilities.
- http://www.iac.wa.gov/maps/presentation/map.asp?ScreenWidth=1440&MapType=1&Cmd=INIT&AreaType=County&Area=ALL

Washington Hiking
- Pictures, and information about hikes in Washington state. Gives estimated time to complete, elevation, and rating of difficulty.
- http://www.washingtonhikes.com/

Wildernet
- Thousands of detailed descriptions of outdoor activities on public lands.
- http://wildernet.com/pages/area.cfm?areaname=Washington

Spokane Outdoors
- Information on outdoor destinations in central and eastern Washington.
- http://www.spokaneoutdoors.com/

North Pacific Boating
- The Boaters' directory to Oregon and Washington ports. Information on marinas, charters, fishing, lofts, and chandlers.
- http://www.marinersguide.com/regions/northpacific/index.html

Washington Outfitter and Guides Association
- Organization in Washington that represents outfitters, sport-fishing guides, horse and llama packers, white-water rafters, hunting guides, and other outdoor professionals.
- http://www.woga.org/

River Recreation
- Choose from five classes of rafting trips on eight Washington rivers, as well as inflatable kayaking trips. Tips on clothing and camping, maps and directions.
- http://www.riverrecreation.com/