Your inalienable rights to life, liberty, and the pursuit of happiness.

Supreme Court recently ruled if it’s not in the constitution it’s not a real right sooooooo

Certainly you have seen "My body, my choice".

It isn't respected as it should be but I would consider it a natural right to do what you will with your own body. If you don't own that, what do you own? Bodily autonomy is the core of all human rights if you think about it.

jumping off mountains is legal

Except when there are sufficient cases of people seriously injuring or killing themselves, then the area is typically fenced off/given restricted access.