The Grand National Course is a horse racing course located in Aintree, England. It is the home of the world-famous Grand National steeplechase, which is held annually and is one of the most prestigious horse races in the world. The course is 4 miles and 856 yards long and features 30 fences, including the famous Becher's Brook and Canal Turn. The Grand National Course is known for its challenging terrain and is considered one of the most difficult courses in the world.