Club featuring weekday and weekend adventures and socializing opportunities. Membership information, events calendar, photo album, contact details and related local links.

Events and adventures for local young single professionals. Event calendar, membership information, photo gallery and contact details.

Urban Diversion is the Bay Area?s premier social and outdoor adventures club for singles, dating, and married professionals. Events like horseback riding, nightlife, sky diving, kayaking, skiing, river rafting, hiking, sailing, and a downtown San Francisco clubhouse.

Group of knife collectors and making of custom knives. Includes forum, membership, and meeting information. Based in Northern California.

Preservation and stewardship of area equestrian barns, trails, pastures, staging areas and horse camps.

Home brewing club. Includes calendar of events, recipes, newsletters, and photos.

Regional directory for horse enthusiasts. Classified ads for horse businesses and horses for sale.

Annual event featuring a full day of convention-style games including strategy games, abstract boardgames, wargames, and collectible and non-collectible cardgames. Directions, mail list, and contact details.

Home brewing club. Includes photos, upcoming events, newsletters, and brewing calculators.

Home brewing club. Includes contact information for officers, newsletters, forum, and calendar of events.

Novice course in San Francisco and Vallejo. Course description and schedule, prerequisites, location information, and a FAQ.

Club features various outdoor activities weekly, including hiking, skiing, and kayaking. Calendar, membership information, photo gallery, and contact details.

General information about paintball, including articles, related links, discussion forum, local resources, and classified ads.

A 400-mile hiking, biking, and equestrian trail connecting parks and preserved open spaces along the ridgelines surrounding California's San Francisco Bay.

Cooperative sea kayaking club. Providing a forum for people to meet other paddlers, generate ideas for new trips, and promote safe sea kayaking.

Multisport training programs at the client's location. Services, testimonials, and contact form.

A group of UC Berkeley students, staff, Berkeley area residents who meet regularly to experience the outdoors and have fun

Indoor volleyball venue provides information on league play, rental for events, and cabana. Locations in Fremont and Santa Clara.

Bay area trail running and ultra training. Contains trail maps, topologies, photos, descriptions, as well as contact details and related links.

Founded to serve interested woodworkers in the Diablo Valley of the San Francisco East Bay Area. Includes meetings, projects, woodworking clases, and activities.

Serves multisport athletes of all ages and abilities. Offers information on workouts, training programs, and racing events, as well as photos and contact details.

Home brewing club. Includes meeting schedule, photos, and articles.

Description and addresses for martial arts school in San Rafael, San Francisco, Redwood City and Palo Alto.

Tennis partner locator. Search for players based on simple search criteria like location, gender, and skill-level. Also includes message board, and instructor listing.

Whitewater activity section of the Sierra Club's Loma Prieta Chapter provides information on meetings, kayak pool practice, club paddling trips, links and photographs.

Offers instruction in Tae Kwon Do and Krav Maga in the TriValley area. Features history, newsletters, class schedule, and registration information.

Offers men and women leagues featuring seasoned professionals and college players. Provides team and player profiles, archive, scores and highlights, and links.

Resources for sailing on the bay.

A non-profit organization formed to restore Golden Gate Park Stables, and promote equestrian activities in the San Francisco Bay Area.

A resource for parents and kids to find activities that keep kids active. Sports such as basketball, volleyball, surfing, swimming, golf, arts and theater, camps, clinics, organizations, in and around the Bay Area.

Home brewing club. Includes a calendar of events and photos.

The South Bay's premier multi-sport club. It is a place for triathletes to meet other triathletes, find training partners and join in social gatherings.

Organization of people who enjoy creating and wearing costumes. Calendar of themed events, photographs of past events, membership information, extensive directory of costuming resources.

Redwood Trails is for runners who enjoy running off road and on the trails. Great San Francisco bay area locations, and Death Valley runs.

Serves the East Bay Regional Park District. Members assist in preserving the safety of visitors and of park resources. Information about programs, trails, park lands, events, and membership.

Home brewing club. Includes meeting schedule, recipes, newsletters, information about equipment rental and their yeast bank, and membership information.