Related Clues:
- Bleak prospect, one difficult to crack, heading off heavenwards
- Barren setting for model and German artist
- It's plain: a road follower must turn round
- One's cold to walk over
- Dessert gets better, when on mountain peak
- Medic introduced to swimmer in wasteland
- It's plain frozen
- Glacial mass covering polar region
- Area with frozen subsoi
- Arctic plain with frozen subsoil
- Permanent covering of mountain or Pole
- Permanent polar covering
- Area of permanently frozen subsoil
- Feature of polar regions
- Frozen top of mountain etc