Question

His company had to negotiate steep escarpment using
mountaineering equipment, despite the darkness and the
inclement weather (rewrite using though )​

Answer 1

The given sentence can be changed as specified in the following manner:

Though there were darkness, inclement weather, and steep escarpment, yet his company had to negotiate them using mountaineering equipment.

Explanation

Though is informal. It means the same as although. Meaning of 'though' is 'despite the fact that'.

Example

Though she did not  recognise, I was sure she had met me somewhere.