is there some rock crawling event in vallejo july 4th weeken

[Guest]

chris from trail ready says that there is some rock crawling event or exhibition in vallejo fair grounds on july 4th weekend. any one hear of this.?

 

[Guest]

4X4 Event

its in napa check ou this web page:
www.norcalrally.com

 

[Guest]

thanks. thats the one. jack