This site is sponsored by the state's tourism department and offers lists of municipal camping, private camping, and state camping areas. Here are some links to information about camping at one of the parks. The state does have a primitive camping policy that means, simply, find your own campsite. Try the state park list for detailed information about the individual parks. Here is access to different regions of both parks - simply click on the area of interest to see if there is camping available.
Dispersed camping is available in both national forests, click here for information and suggestions.
Some brief information about camping here. This site list general information for all state camping. Listed below are links that provide additional details about particular camping areas. There is opportunity for camping along the way. This site will provide some brief information.