>>882892depends on the agency, time of year, and location.
speaking for california
>blm landfree for all. just don't block a road, and try to be >100' from water, hunting okay (in season), horses okay
>us forest service landbroken into 2 catagories: "wilderness" and not "wilderness"
not "wilderness" is effectively the same as blm land, with fire restrictions in the summer (but don't be a retard and you can get away with one)
"wilderness" (john muir, hoover, etc. i'm sure you can find a list/map online) requires a permit, which are quota'd from may-october, and have local, seasonal, and elevation-based fire restrictions, no hunting, limited horses
>national parksin developed areas you have to camp in developed spaces. but in the back country you can camp anywhere >4 miles from a trailhead. elevation based fire restrictions, but not seasonal, also permits required and quotas may-october, no hunting, limited horses