The two tarps that I have are quite large.
One is 50' X 50' and the other is about 25' X 25'

I wonder if it would be better if I set them up as a lean-to?
Using some logs and long cut poles, I can get up off the ground, and could set
one of the tarps up so that it had 3 sides and a roof, with the open side
facing a back reflected fire.

Something like this, only with a reflector behind the fire and a log bed to get
off the ground