summit
plateau
range
pass
peak
A scree (surface consisting of small loose rocks that have slid from above).
massif
A group of mountains joined together by high ground and lined up in a row.
The highest point, sometimes confused with a 'peak'.
Any route from one valley to another over higher ground.
A 'mass' of peaks bunched together (not in a line).
A point that is higher than all other adjacent points. Most mountains have multiple of these.
Any flat area higher than its surroundings.