Blue Castle is a scenic and unique natural grey-colored butte that you can ride your bike on. The towering cliffs north of the small town of Green River, UT, are a freeride mountain bikers' paradise. The area is an open E-Bike area. Many pros have visited the area cliffs to launch down the treacherous spines of Battleship Butte. The Semenuk Drop is the most famous of these lines that can be found on a nearby trail. This route begins as a gravel route but becomes rocky with washouts. You can travel the entire route in 2WD with high clearance and durable tires. The camping is wide open and exposed. It can get very windy in the area and cold at night. A few flat areas had old rock campfire rings along the trail. This trail is impassable when wet and not where you want to be when it's raining.
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