Mountains

2. the pointy top of a mountain
4. a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles
7. a surface of which one end or side is at a higher level than another; a rising or falling surface
8. a long narrow hilltop, mountain range, or watershed.
10. the lowest part or edge of something, especially the part on which it rests or is supported.
12. a low area of land between hills or mountains, typically with a river or stream flowing through it
13. a treeless plain especially of arctic regions having a permanently frozen layer below the surface soil and plant life made up mostly of mosses, lichens, herbs, and very small shrubs
14. the highest point of a hill or mountain
15. a climb or walk to the summit of a mountain or hill

1. the area of variation between upper and lower limits on a particular scale.
3. a mark or a series of signs or objects left behind by the passage of someone or something
5. a deep gorge, typically one with a river flowing through it
6. a steep rock face, especially at the edge of the sea
9. a steep or rugged cliff or rock face
11. the height of an object or point in relation to sea level or ground level.