noun
promontory
PRAH-mun-tor-ee/ˈprɑːməntɔːri/
A high point of land extending into water or over lower ground.
A rocky promontory rises above the lake near our cabin.

Etymology
Latin promunturium meant 'mountain ridge' or 'headland' and is probably related to a verb meaning 'jut out.' That probable connection captures the defining image: high land projecting beyond the coastline.
In context
standing midway in that vast rampart of islands, buttressed by that bold green promontory, known to seamen as Java Head
More examples
- The ship rounds the promontory and enters the harbor.
- The trail ends on a promontory overlooking the valley.
- Two steep promontories shelter the small bay.
Forms
promontory · promontories