I had fun with this challenge. Chose to work in pastel on Canson paper and focus on the rock formations and the zigzag quality of the shapes in the photo. To see other PPASP member interpretations, go to www.portlandpleinairandstudiopainters.blog where the photo reference is posted along with resulting images from about 20 members.
I'm happy with how I interpreted this reference and handled the pastel material. Working in pastel seems more like drawing than paiting to me; the material is held directly in the artist's hand like a pencil or a pen or charcoal is when drawing. I enjoyed this more direct contact with the support for a change. My day was good; hope yours was too.