Greentree Glen Senior Apartments proudly offers one and two bedroom apartment homes for those 62 and older. Greentree Glen is a smoke-free community. Located in Madison, Greentree Glen is conveniently located for all of your shopping needs, but situated just off the road in a wooded, country-like setting to give you a quiet, peaceful place to call home. Greentree Glen is an invigorating, friendly community offering many social activities and gatherings leaving you with a sense of pride and belonging. At Greentree Glen, you will find your neighbors will quickly become your friends and help to create a warm, satisfying place to call home. With more than 30 years’ experience in independent senior living, Horizon offers responsive 24-hour emergency maintenance and professional management.