I want to join a camping group in San Diego any websites? Maybe more of a college crowd.?

also any activity where you can just sign up and go in san diego?

UCSD Recreation Outback Adventures

http://recreation.ucsd.edu/outb/

The San Diego Hiking Club™ http://www.sandiegohikingclub.org/

San Diego Sierra Club 20's & 30's Single Sierrans

http://sandiego.sierraclub.org/20s30s/index.asp?content=map

San Diego County Rockhoppers Walking Club

http://www.sandiegorockhoppers.com/