Cross-country riding is an exciting outdoor activity that involves riding horses through natural terrain. Popularly known as XC, it's a challenging and exhilarating form of horse riding that's enjoyed by equestrians of all levels of experience. For those looking to describe this activity using synonyms, there are several options. Some of the most common synonyms for cross-country riding include endurance riding, trail riding, countryside trekking, and natural horsemanship. Other options include rugged terrain riding, wilderness riding, backcountry riding, and environmental horseback riding. Whether you prefer to use these synonyms or stick to the traditional cross-country riding term, the important thing is to enjoy the ride.