[jeffery30162]

Is their a way to create a wall or boundary without creati g thousands of objects around Los Santos that can be visible To The player?

[jeffery30162]

bump?

[iKevin]

What do you mean by a big wall? Invisible wall? So big wall as a one object? No, but you can use 11695 or 11696 if I'm not wrong they're big mountains.

[DarkLored]

Yes it is possible but you'll have to use SetPlayerWorldBounds and accurately position the X, Y's.

Reference
https://sampwiki.blast.hk/wiki/SetPlayerWorldBounds