Landscapes are easy to manage once you learn the technique of applying medium. There is two ways of working, freeflow and removing and adding ink to get form and using a blocking method to block out(masking) and cover. Have a look at my examples for ideas, in the landscapes examples I have used masking. No need to be able to draw as the lines I work with are minimal. I usually take a photo of my landscape of choice, then use software to create a drawing or use a light box and then transfer to my paper.