Mount Baker Club
- Offers hiking, biking, snowshoeing, cross-country skiing, canoeing, kayaking, and monthly social activities. Includes news and membership information. Located in Bellingham.
- http://www.mountbakerclub.org/

Washington Waterfowl Association
- Dedicated to waterfowl conservation and habitat improvement, within the state. Includes details of activities, chapters, membership and contact information. Headquarters in Seattle.
- http://www.waduck.org

The Cascadians
- Club activities include mountaineering, hiking, backpacking, cross-country skiing, snowshoeing, and bicycling. Includes history of the group, meeting schedule, list of officers, membership details, news and events, forum, liability form and contact infor
- http://cascadians.org/

Epic Adventures
- Group from Eastern Washington University provides equipment rental, gear swap, and guided tours. Participates in camping, climbing, boating, fishing, and various winter sports. (Cheney)
- http://www.epic.ewu.edu

Seattle Parks Foundation
- Organization is dedicated to conserving, improving, and expanding the quality of Seattle's parks, green spaces, and programs, and to building community support for parks.
- http://www.seattleparksfoundation.org

Spokane Mountaineers
- Involved in climbing, hiking, skiing, and cycling. Offers instruction, membership information, schedule, and history.(Spokane)
- http://www.spokanemountaineers.org/