General terms:
* Summit: This is the most general term and simply means the highest point of a hill or mountain.
* Peak: Similar to summit, but can also refer to a pointed or sharp top.
* Crest: The highest point of a ridge or hill, often with a more rounded shape.
* Top: A straightforward and general term.
More specific terms:
* Plateau: A flat area at the top of a hill or mountain.
* Mesa: A flat-topped hill with steep sides, often found in desert regions.
* Butte: A smaller version of a mesa, with a more rounded top.
* Cairn: A pile of stones often placed on a summit as a marker or memorial.
* Overlook: A scenic viewpoint at the top of a hill or cliff, often with a designated area for observation.
* Lookout: Similar to an overlook, but often used for strategic purposes.
The best term to use will depend on the specific features of the area you are describing.