River Valley Aikido is a traditional Japanese martial art that offers classes for all ages and abilities. Our expert instructors, led by Sensei Greg Null, provide a unique blend of physical and mental training that develops both physical and mental awareness. Our classes combine joint locks, throws, and pins to overcome aggression in a peaceful and calm manner. We are a founding member of the Zenshinkai Aikido Association and offer classes for kids, adults, and law enforcement.