[header] How to go river camping [title] Decide whether you'll choose an existing campsite alongside a river or you're wanting to make out your own campsite. [step] If the latter, be sure it is permitted to camp by the river. [substeps] Look online for campsites located along riversides. 
The campgrounds will most likely make the river aspect a feature of the advertising. In national parks, ask the rangers which campsites are located alongside the riverbanks.