Blackjack Campground in Oklahoma offers a peaceful environment with beautiful views of the surrounding Atoka Mountains. The campground has 30 campsites with picnic tables, fire rings, and electrical hookups. It is a first-come, first-served campground, and there are no reservations. Visitors can enjoy hiking, fishing, and boating in the nearby McGee Creek Reservoir. The best time to visit is from April to October when temperatures range from 60-90°F. The campground amenities include restrooms, showers, and a dump station. Overall, it is a great spot for nature lovers seeking a quiet retreat.