American Bikers Aimed Toward Education (ABATE) - Ohio Region 5
- Organization dedicated to improving the image and preserving the rights of motorcyclists. Articles, news, opinions, and events of local interest for Adams, Butler, Clermont, Clinton, Fayette, Hamilton, and Warren Counties.
- http://www.region5abate.com/

The Great Connection
- A planned, 28-mile, paved multi-use pathway that begins at the Warren-Montgomery line and runs parallel to the Great Miami River and the Miami-Erie Canal through Warren and Butler counties.
- http://www.miamivalleytrails.org/great.htm

Outdoor Adventure Club
- A nonprofit organization for families and individuals primarily in southwest Ohio who share a common interest in whitewater paddling. Includes calendar of events.
- http://groups.yahoo.com/group/outdooradventureclub/

Southwest Cluster YMCA Swim League
- Provides comprehensive swim meet information and results as well as league administrative information.
- http://www.swyswim.org/