Hiked from ranger station to Medicine Wheel & return. There is a Federal Aviation Administration (FAA) radar station located at the summit. Was told by a college-age summer park volunteer that the summit was off-linits for this reason. Not sure if this is actually the case, but I decided to heed his advice.
"As an adolescent I aspired to lasting fame, I craved factual certainty, and I thirsted for a meaningful vision of human life - so I became a scientist. This is like becoming an archbishop so you can meet girls."