https://youtube.com/watch?v=Mxv8ObEo2qU
Does anyone have any experience with it? Is UE4 supports PhysX heightfields? Is there a example snippet/tutorial/art about
this?
Any info will be helpful 
I don’t think it is supported by default as I never saw it somewhere. But you can implement it yourself as the source to the engine is available and that also includes access to the whole nvidia physX lib.