That is some funky colored ash...

Hangry hangry herons

There is a small parking lot for vehicles, then a trail that hugs a stone wall next to a field (no "wading"), and then there is a very steep descent to the actual outcrop. The road in also serves as access to a vegetable/food packaging plant. Yes, Hutton & Playfair approached by boat.

The answer, as it turned out, is nine. 😁

Great news, Angus!

Which Terminator?

(2/2)
Big Trouble in Little China
Moneyball
Bullitt
Star Trek Beyond
San Andreas
Basic Instinct
X Men: the last stand
A View To a Kill
The Social Network
The Rock
Sideways
The Joy Luck Club
Invasion of the Body Snatchers

(Assigning "a movie from this list" to my SF geology students next semester.)

Interesting... It was actually just a goofy wordplay pun/joke....

Thanks for playing!
Nope, but I'm curious what about this image made you guess that