Most places don't allow you to pursue Bighorn without a registered guide. Desert and Rocky Mountain Bighorn are so elusive because of how rare it is to draw a tag. That's why there aren't a lot of people walking around with a Bighorn Sheep Slam under their belt. I'm in the same boat as you man. I want to get after these Bighorn's for the challenge of pursuing them up in the high mountains. I've come to terms that I'm just going to have to suck up the cost and pay it if I want that dream to come true. Dall is first on my list while I'm waiting to accumulate enough point to draw either Desert or Rocky Mountain once-in-a-lifetime tags in Utah.