Except When The Serpent's Head Isn't Triangular

Could be sort of rhomboidal...

...or something...

...somewhere in here in 2012 LiDar:

Near a hilltop, another one:

Looking south:

Looking north:

In the LiDar:

From port-side, approaching the Boulder, I realize it resembles another variation...

Striking Serpent (Raised Head):

Two (Narrow Gateway)

Bigger than a boulder, there's also Outcrops: