STALAGMITE

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Across
  1. 2. my cousin clings from the roof above me
  2. 3. what a tent needs and a SRT caver loves
  3. 6. surveyors swear at the price
  4. 8. a small creature that loves damp caves
Down
  1. 1. THE mendip, fresher classic
  2. 4. horizontal passage, or a rope technique to cross one
  3. 5. an action essential for ascending, sounds like a dance move
  4. 7. you cant go under it, you cant go over it, so you must go through it (or retreat from it)