The old trail/pullout is closed now, to my surprise. We headed up to the rock imagery, but weren't sure how far around the official trail wrapped around the butte so we turned back a little early. Knee definitely needs some attendance - maybe just a brace, but the downhills are telling.
WARNING! Hiking and outdoor related sports can be dangerous. Be responsible and prepare for the trip. Study the area you are entering and plan accordingly. Dress for the current and unexpected weather changes. Take plenty of water. Never go alone. Make an itinerary with your plan(s), route(s), destination(s) and expected return time. Give your itinerary to trusted family and/or friends.