Hilltop is a commonly used word that refers to the summit of a hill or a high point in the landscape. However, there are several synonyms to this word that can add more flavor to your writing. For instance, 'peak' is a synonym that can bring to mind a sharp, pointed top of a mountain or a hill. 'Ridge' can also be used in place of hilltop, evoking an elevated landform with a narrow, elongated crest. Another synonym you can use is 'summit', which can be utilized to describe the highest point of a mountain or hill. 'Threshold' can also be used as another synonym for hilltop as it means the edge or the highest point above which a certain area begins.