Boundary Oak Golf Course
- Newsletter, rates, events calendar, and profiles of their instructors.
- http://www.boundaryoak.com/

Wooleys Sporting Life
- Retail store offers new and used shotguns and sporting rifles, outdoor clothing and footwear. Includes gun listing, services and map.
- http://www.woolleyssportinglife.com/

Mount Diablo State Park
- Camping, lodging, wilderness, directions, fees and permits.
- http://syndication.getoutdoors.com/getoutdoors/destination_summary/1910.html

Diablo Cyclists
- Walnut Creek club that offers image gallery, newsletters, riding and racing schedule and results, and bulletin board.
- http://www.diablocyclists.com/

PGAProfessional.com
- Golf tips, articles and 'Ask the Pro,' plus information on other resources and services.
- http://www.pgaprofessional.com/