Horn Lake is a city in DeSoto County, Mississippi, United States. It is located just a few miles south of Memphis, Tennessee. As of the 2010 U.S. Census, the population of Horn Lake was 26,066, up from 14,099 at the 2000 census. Wikipedia
Horn Lake in United States offers a unique experience to travellers. A gripping city on its own right, Grenada also deserves a visit. Grenada is bestowed with interesting set of attractions like Graceland, Sun Studio, National Civil Rights Museum- Lorraine Motel. Also, to reach Horn Lake, you'll have to take a flight to Grenada; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. Popular vacation packages of Horn Lake are of 1-2 days.
Yes,it is that simple really! Enjoy your trip! Keep travelling!