Thanks Himanshu. I was aware that I could specify source and destination mount locations.. unfortunately in my environment I am dealing with dozens of them so it's a pain to do manually and complex to script. Ideally what I need is something like:
Which would be a simple way of just saying.. take the stuff that's in the snapshot and mount it relative to /newmountpoint. Now that I think about it, I actually have this question titled incorrectly - what I need is a way to mount it using a relative path! Oops!