The Ham Rock/Harkonnen Castle is easy to identify. It is the largest formation west from Owl Rock.
The higher point on its east side is also called Harkonnen Castle and has 2 established routes:
Dune 5.10 and this route takes you to an slightly lower summit separated from the highest point by a large gap cca 2-3 meters apart. FA: Dave Mealey and Aaron Boyles 2001
Grumpies 5.8 + is a relatively new route established in 2012 by Derek Wolfe and Jamie Princo and it takes you to the highest point. This route has a couple of short climbing cruxes, alternating with some easier climbing and scrambling.
The vies from the summit are spectacular. Owl Rock appears tiny. Elephant Butte is nearby and La Sal Mountain are on the horizon to the east. The tower is easy to reach, short approach and not crowded.
Proximate Parent: Elephant Butte
Isolation: 0.7 miles
Follow direction into Arches National Park. Follow the main road through Arches. Pass Balanced Rock, you will be able to see Ham Rock/Harkonnen Castle as the large and long formation. Continue past Balanced Rock and make a right turn towards the Windows section of Arches/Garden of Eden.The road follows around the formation and you can park either at 2nd or 3rd pull out parking on the north side of the road.
Pitch 1: 5.3 - Slabs with a small crack in the corner to a 2 bolt anchor. Short climbing, little steeper just below the anchors. We managed it unroped. About 20 feet in length.
Traverse on a ledge (slick rock and some bushes) east to an easy wide crack - class 3 (the ramp ends here), then up class 4 slick rock to an easier terrain on slick rock and turn back west a walk towards an obvious wide crack below the saddle.
Pitch 2: 5.8+ or can be made easier with a shoulder stand on your partner. My partner lead it clean and refused a shoulder stand, but it took him a couple of tries. The wide crack is awkward. Only a couple of moves and you get into this wide crack. Wedge yourself in, set up an anchor and bring your partner up.Pitch 3: Start up the slick rock, low 5th class to a 5.4 crack on the north side. The crack is a little sandy, but has good footholds. Continue up to the headwall and belay from here.
You have to pay an entry fee into Arches National Park.
The climbing is on soft sandstone and the rock gets easily damaged when it is wet. Holds rip off and climbs gets damaged. Sometimes you have to wait a few days after heavy rains before you can climb. Please respect the conditions.
Raptor closures: this formation is closed seasonally during nesting times of raptors. The closure appears annually from March 31st until August 31st.
You are not allowed to use white chalk.
See rules of climbing in Arches here.
Any time of the year is fine as long as you respect the raptor closures from March 31st to August 31st. Remember summers are hot in Arches and winters can be cool. We climbed in the afternoon of November and enjoyed a great sunset on the summit.
There is a campground within Arches National Park - it is towards the end of the park. The campground is open year round and you can make advanced reservations. The Devils Garden Campground infoThere are many campground and hotels in Moab area. But keep in mind that this is one of the most touristy destinations in Utah and weekends are busy.