Hiking

Below are the Good hiking information sources

1. SF south bay and Peninsula

http://www.bahiker.com/

http://openspace.org/

2. Other sites
http://www.slackpacker.com

3. APPs
http://www.everytrail.com/ (has free mobile app to track the route)
App - http://www.everytrail.com/mobile - app available for iphone, andriod, windows mobile, blackberry