What is a good christian ranch camp for a teenager in the western us?

Just to help, I am looking for the kind of quality thing that would let me take really nice (not just walking) trail rides every day, and not just get cooped up inside a riding ring the whole time (I live in the northeast so that would defeat the point) and good quality horses (only western riding at the ranch) and nice truly secluded scenery. I would like it to be teens only and co-ed. It would also be good if it was only one week, although two wees might be ok. please only put suggestions with reasonable prices. It would be awesome if t was i nwyoming other states that I would like more than other western states are colorado, or arizona. thanks for your help because ive been looking desperatly for something like this! ;) :)