Sentinel may refer to: Places. Mountains. Mount Sentinel, a mountain next to the University of Montana in Missoula, Montana. Sentinel Buttress, a volcanic crag on James Ross Island, Antarctica. Sentinel Dome, a naturally occurring granite dome in Yosemite National Park, California. Sentinel Mesa, in Monument Valley. Sentinel Mountain (Montana), in Glacier National Park. Sentinel Peak (Alberta) Sentinel Peak (Antarctica) Sentinel Peak (Arizona), a peak in the Tucson Mountains. Sentinel Peak (British Columbia) Sentinel Range, a mountain range in Antarctica. The Sentinel, Hout Bay.
https://en.wikipedia.org/wiki/Sentinel