All over the state of Montana there are fishing access sites, which are always beside a gorgeous trout stream. Many of them allow camping, and have vault toilets.
MONTANA FISHING ACCESS SITESThere is a downloadable guide that gives very detailed information.
Most Corps of Engineer campgrounds have waterside sites.
CORPS OF ENGINEERS CAMPGROUNDSThis great site has listings of all publicly owned campgrounds, many of which are state, local, NFS, NPS, COE on the water:
USCAMPGROUNDS.INFOBeware that waterside sites sometimes come with mosquitoes and wind. And often they are wonderful!
