Find Central Valley activities, entertainment, towns, wineries, things to do, points of interest, hotels, restaurants and more. The Central Valley is predominantly farming community. If not for the large dams that control water flow from the Sierras and the Shasta Cascade, this region would be completely marsh and swamp land. These dams also provide the Central Valley with many recreational lakes. From the bustling cities of Sacramento and Fresno, to the quaint towns of Winters and Exeter, the Central Valley has a lot to offer. The State Capitol is located in the northern portion of the valley as well as many other historic sites.