The trail that heads south from Pup Creek Falls to Whalehead and points south? Let's just call it Pup Creek Trail.   D 2

winner. I followed traces of this trail up the hill til I was tired of climbing. Too bad it's been logged and gone up ontop of the hill

OK then. What trail was I on?

Amazingly it's been ten years.

D 2 

The lower part of Cripple Creek?

Pretty good guess. It does kinda look like a view from of the pipeline grade. (The pipeline for construction of the pipeline).

But also, no, it's not.

D 2

The railroad grade at Three Lynx?