Is it ridiculous to consider having a work climb in a cottonwood? Has anyone competed in a comp where this took place? Would a thoroughly pruned and inspected tree, with an obviously large tie-in, still be considered too risky? The fact that the judges on the ground would have a hard time seeing the climber as he/she maneuvers through the canopy, due to the height, probably is a factor also. Imagine the swings to be had, and the different ways the climb would be approached. I have seen climbers who move fairly fast while 30 feet off the ground become, shall we say, a bit more tentative when 80 feet up in the air. These mammoth trees can be climbed safely.