To me, it seems a prime adventure locale. Here are some pictures:
See what I mean?
To make it even more perfect, the chapel's origin and history are distinctly mysterious. (Read this local history PDF) Who built the chapel? When did they built it? Why did they build it? All remains unknown. Answer those questions, though, and you've got the background for an adventure or sidetrek.
I guess it goes back to what I was saying weeks ago: inspiration is everywhere.