Hi @ChocolateLover Welcome to the Forum 
You are on the right track.
Visit:
https://discourse.shapr3d.com/t/landscape-contours/6547
You may pick up something useful.
You will not be able to Loft multiple ‘peaks’ at the same time.
You could try Lofting the scene in several individual parts and the then Tools > Union to join them into one if required.